Home / 652,897,425.92-900,974,778.84-399,003,547.24

Finding the Fourth Proportional to 652,897,425.92, 900,974,778.84 and 399,003,547.24

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Solution

The fourth proportional to 652,897,425.92, 900,974,778.84 and 399,003,547.24 is: 550,610,430.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,897,425.92 : 900,974,778.84 = 399,003,547.24 : x
  2. Step 2: Convert to fraction form
    652,897,425.92/900,974,778.84 = 399,003,547.24/x
  3. Step 3: Cross multiply
    652,897,425.92x = 900,974,778.84 × 399,003,547.24
  4. Step 4: Simplify right side
    652,897,425.92x = 359,492,132,730,934,528
  5. Step 5: Solve for x
    x = 359,492,132,730,934,528/652,897,425.92
  6. Step 6: Final answer
    x = 550,610,430.46

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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.