Home / 387,110,724.80-580,666,087.20-344,784,401.60

Finding the Fourth Proportional to 387,110,724.80, 580,666,087.20 and 344,784,401.60

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Solution

The fourth proportional to 387,110,724.80, 580,666,087.20 and 344,784,401.60 is: 517,176,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,110,724.80 : 580,666,087.20 = 344,784,401.60 : x
  2. Step 2: Convert to fraction form
    387,110,724.80/580,666,087.20 = 344,784,401.60/x
  3. Step 3: Cross multiply
    387,110,724.80x = 580,666,087.20 × 344,784,401.60
  4. Step 4: Simplify right side
    387,110,724.80x = 200,204,609,404,665,440
  5. Step 5: Solve for x
    x = 200,204,609,404,665,440/387,110,724.80
  6. Step 6: Final answer
    x = 517,176,602.40

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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.