Home / 570,159,008.02-786,819,431.24-309,398,624.02

Finding the Fourth Proportional to 570,159,008.02, 786,819,431.24 and 309,398,624.02

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Solution

The fourth proportional to 570,159,008.02, 786,819,431.24 and 309,398,624.02 is: 426,970,101.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,159,008.02 : 786,819,431.24 = 309,398,624.02 : x
  2. Step 2: Convert to fraction form
    570,159,008.02/786,819,431.24 = 309,398,624.02/x
  3. Step 3: Cross multiply
    570,159,008.02x = 786,819,431.24 × 309,398,624.02
  4. Step 4: Simplify right side
    570,159,008.02x = 243,440,849,377,854,976
  5. Step 5: Solve for x
    x = 243,440,849,377,854,976/570,159,008.02
  6. Step 6: Final answer
    x = 426,970,101.24

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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.