Home / 974,971,869.85-1,345,463,788.26-528,935,233.11

Finding the Fourth Proportional to 974,971,869.85, 1,345,463,788.26 and 528,935,233.11

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Solution

The fourth proportional to 974,971,869.85, 1,345,463,788.26 and 528,935,233.11 is: 729,932,036.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,971,869.85 : 1,345,463,788.26 = 528,935,233.11 : x
  2. Step 2: Convert to fraction form
    974,971,869.85/1,345,463,788.26 = 528,935,233.11/x
  3. Step 3: Cross multiply
    974,971,869.85x = 1,345,463,788.26 × 528,935,233.11
  4. Step 4: Simplify right side
    974,971,869.85x = 711,663,202,479,797,376
  5. Step 5: Solve for x
    x = 711,663,202,479,797,376/974,971,869.85
  6. Step 6: Final answer
    x = 729,932,036.49

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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.