Home / 762,230,688.24-1,143,400,680.63-319,127,472.30

Finding the Fourth Proportional to 762,230,688.24, 1,143,400,680.63 and 319,127,472.30

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Solution

The fourth proportional to 762,230,688.24, 1,143,400,680.63 and 319,127,472.30 is: 478,714,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,230,688.24 : 1,143,400,680.63 = 319,127,472.30 : x
  2. Step 2: Convert to fraction form
    762,230,688.24/1,143,400,680.63 = 319,127,472.30/x
  3. Step 3: Cross multiply
    762,230,688.24x = 1,143,400,680.63 × 319,127,472.30
  4. Step 4: Simplify right side
    762,230,688.24x = 364,890,569,035,551,552
  5. Step 5: Solve for x
    x = 364,890,569,035,551,552/762,230,688.24
  6. Step 6: Final answer
    x = 478,714,088.35

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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.