Home / 706,412,922.24-974,849,836.14-393,221,123.22

Finding the Fourth Proportional to 706,412,922.24, 974,849,836.14 and 393,221,123.22

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Solution

The fourth proportional to 706,412,922.24, 974,849,836.14 and 393,221,123.22 is: 542,645,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,412,922.24 : 974,849,836.14 = 393,221,123.22 : x
  2. Step 2: Convert to fraction form
    706,412,922.24/974,849,836.14 = 393,221,123.22/x
  3. Step 3: Cross multiply
    706,412,922.24x = 974,849,836.14 × 393,221,123.22
  4. Step 4: Simplify right side
    706,412,922.24x = 383,331,547,537,803,776
  5. Step 5: Solve for x
    x = 383,331,547,537,803,776/706,412,922.24
  6. Step 6: Final answer
    x = 542,645,151.96

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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.