Home / 413,459,061.30-570,598,920.45-227,820,027.78

Finding the Fourth Proportional to 413,459,061.30, 570,598,920.45 and 227,820,027.78

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Solution

The fourth proportional to 413,459,061.30, 570,598,920.45 and 227,820,027.78 is: 314,405,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,459,061.30 : 570,598,920.45 = 227,820,027.78 : x
  2. Step 2: Convert to fraction form
    413,459,061.30/570,598,920.45 = 227,820,027.78/x
  3. Step 3: Cross multiply
    413,459,061.30x = 570,598,920.45 × 227,820,027.78
  4. Step 4: Simplify right side
    413,459,061.30x = 129,993,861,908,157,024
  5. Step 5: Solve for x
    x = 129,993,861,908,157,024/413,459,061.30
  6. Step 6: Final answer
    x = 314,405,642.72

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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.