Home / 974,971,951.53-1,345,463,900.96-528,935,314.79

Finding the Fourth Proportional to 974,971,951.53, 1,345,463,900.96 and 528,935,314.79

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Solution

The fourth proportional to 974,971,951.53, 1,345,463,900.96 and 528,935,314.79 is: 729,932,149.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,971,951.53 : 1,345,463,900.96 = 528,935,314.79 : x
  2. Step 2: Convert to fraction form
    974,971,951.53/1,345,463,900.96 = 528,935,314.79/x
  3. Step 3: Cross multiply
    974,971,951.53x = 1,345,463,900.96 × 528,935,314.79
  4. Step 4: Simplify right side
    974,971,951.53x = 711,663,371,983,486,976
  5. Step 5: Solve for x
    x = 711,663,371,983,486,976/974,971,951.53
  6. Step 6: Final answer
    x = 729,932,149.19

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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.