Home / 478,334,644.29-660,101,817.29-258,318,070.29

Finding the Fourth Proportional to 478,334,644.29, 660,101,817.29 and 258,318,070.29

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Solution

The fourth proportional to 478,334,644.29, 660,101,817.29 and 258,318,070.29 is: 356,478,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,334,644.29 : 660,101,817.29 = 258,318,070.29 : x
  2. Step 2: Convert to fraction form
    478,334,644.29/660,101,817.29 = 258,318,070.29/x
  3. Step 3: Cross multiply
    478,334,644.29x = 660,101,817.29 × 258,318,070.29
  4. Step 4: Simplify right side
    478,334,644.29x = 170,516,227,635,983,360
  5. Step 5: Solve for x
    x = 170,516,227,635,983,360/478,334,644.29
  6. Step 6: Final answer
    x = 356,478,941.41

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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.