Home / 387,119,938.40-580,782,550.80-168,676,546.40

Finding the Fourth Proportional to 387,119,938.40, 580,782,550.80 and 168,676,546.40

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Solution

The fourth proportional to 387,119,938.40, 580,782,550.80 and 168,676,546.40 is: 253,059,543.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,119,938.40 : 580,782,550.80 = 168,676,546.40 : x
  2. Step 2: Convert to fraction form
    387,119,938.40/580,782,550.80 = 168,676,546.40/x
  3. Step 3: Cross multiply
    387,119,938.40x = 580,782,550.80 × 168,676,546.40
  4. Step 4: Simplify right side
    387,119,938.40x = 97,964,394,878,326,560
  5. Step 5: Solve for x
    x = 97,964,394,878,326,560/387,119,938.40
  6. Step 6: Final answer
    x = 253,059,543.47

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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.