Home / 1,021,293,729.30-1,531,940,593.95-608,045,207.70

Finding the Fourth Proportional to 1,021,293,729.30, 1,531,940,593.95 and 608,045,207.70

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Solution

The fourth proportional to 1,021,293,729.30, 1,531,940,593.95 and 608,045,207.70 is: 912,067,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,293,729.30 : 1,531,940,593.95 = 608,045,207.70 : x
  2. Step 2: Convert to fraction form
    1,021,293,729.30/1,531,940,593.95 = 608,045,207.70/x
  3. Step 3: Cross multiply
    1,021,293,729.30x = 1,531,940,593.95 × 608,045,207.70
  4. Step 4: Simplify right side
    1,021,293,729.30x = 931,489,136,632,389,248
  5. Step 5: Solve for x
    x = 931,489,136,632,389,248/1,021,293,729.30
  6. Step 6: Final answer
    x = 912,067,811.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.