Home / 974,971,882.05-1,345,463,805.11-528,935,245.30

Finding the Fourth Proportional to 974,971,882.05, 1,345,463,805.11 and 528,935,245.30

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Solution

The fourth proportional to 974,971,882.05, 1,345,463,805.11 and 528,935,245.30 is: 729,932,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,971,882.05 : 1,345,463,805.11 = 528,935,245.30 : x
  2. Step 2: Convert to fraction form
    974,971,882.05/1,345,463,805.11 = 528,935,245.30/x
  3. Step 3: Cross multiply
    974,971,882.05x = 1,345,463,805.11 × 528,935,245.30
  4. Step 4: Simplify right side
    974,971,882.05x = 711,663,227,798,129,152
  5. Step 5: Solve for x
    x = 711,663,227,798,129,152/974,971,882.05
  6. Step 6: Final answer
    x = 729,932,053.32

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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.