Home / 482,697,819.90-724,424,643.45-223,945,101.90

Finding the Fourth Proportional to 482,697,819.90, 724,424,643.45 and 223,945,101.90

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Solution

The fourth proportional to 482,697,819.90, 724,424,643.45 and 223,945,101.90 is: 336,092,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,697,819.90 : 724,424,643.45 = 223,945,101.90 : x
  2. Step 2: Convert to fraction form
    482,697,819.90/724,424,643.45 = 223,945,101.90/x
  3. Step 3: Cross multiply
    482,697,819.90x = 724,424,643.45 × 223,945,101.90
  4. Step 4: Simplify right side
    482,697,819.90x = 162,231,350,596,281,440
  5. Step 5: Solve for x
    x = 162,231,350,596,281,440/482,697,819.90
  6. Step 6: Final answer
    x = 336,092,983.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.