Home / 1,199,069,835.96-1,654,209,682.08-802,720,522.56

Finding the Fourth Proportional to 1,199,069,835.96, 1,654,209,682.08 and 802,720,522.56

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Solution

The fourth proportional to 1,199,069,835.96, 1,654,209,682.08 and 802,720,522.56 is: 1,107,415,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,069,835.96 : 1,654,209,682.08 = 802,720,522.56 : x
  2. Step 2: Convert to fraction form
    1,199,069,835.96/1,654,209,682.08 = 802,720,522.56/x
  3. Step 3: Cross multiply
    1,199,069,835.96x = 1,654,209,682.08 × 802,720,522.56
  4. Step 4: Simplify right side
    1,199,069,835.96x = 1,327,868,060,423,068,928
  5. Step 5: Solve for x
    x = 1,327,868,060,423,068,928/1,199,069,835.96
  6. Step 6: Final answer
    x = 1,107,415,115.12

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Half scale
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Double scale
Find fourth proportional to 1,199,069,836.96, 1,654,209,683.46 and 802,720,523.56
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.