Home / 387,829,999.60-581,744,999.40-301,098,828.40

Finding the Fourth Proportional to 387,829,999.60, 581,744,999.40 and 301,098,828.40

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Solution

The fourth proportional to 387,829,999.60, 581,744,999.40 and 301,098,828.40 is: 451,648,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,829,999.60 : 581,744,999.40 = 301,098,828.40 : x
  2. Step 2: Convert to fraction form
    387,829,999.60/581,744,999.40 = 301,098,828.40/x
  3. Step 3: Cross multiply
    387,829,999.60x = 581,744,999.40 × 301,098,828.40
  4. Step 4: Simplify right side
    387,829,999.60x = 175,162,737,746,898,688
  5. Step 5: Solve for x
    x = 175,162,737,746,898,688/387,829,999.60
  6. Step 6: Final answer
    x = 451,648,242.60

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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.