Home / 1,199,069,849.60-1,654,209,701.28-802,720,536.80

Finding the Fourth Proportional to 1,199,069,849.60, 1,654,209,701.28 and 802,720,536.80

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Solution

The fourth proportional to 1,199,069,849.60, 1,654,209,701.28 and 802,720,536.80 is: 1,107,415,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,069,849.60 : 1,654,209,701.28 = 802,720,536.80 : x
  2. Step 2: Convert to fraction form
    1,199,069,849.60/1,654,209,701.28 = 802,720,536.80/x
  3. Step 3: Cross multiply
    1,199,069,849.60x = 1,654,209,701.28 × 802,720,536.80
  4. Step 4: Simplify right side
    1,199,069,849.60x = 1,327,868,099,391,249,152
  5. Step 5: Solve for x
    x = 1,327,868,099,391,249,152/1,199,069,849.60
  6. Step 6: Final answer
    x = 1,107,415,135.02

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Double scale
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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.