Home / 458,630,432.92-688,241,616.94-167,473,178.20

Finding the Fourth Proportional to 458,630,432.92, 688,241,616.94 and 167,473,178.20

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Solution

The fourth proportional to 458,630,432.92, 688,241,616.94 and 167,473,178.20 is: 251,317,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,630,432.92 : 688,241,616.94 = 167,473,178.20 : x
  2. Step 2: Convert to fraction form
    458,630,432.92/688,241,616.94 = 167,473,178.20/x
  3. Step 3: Cross multiply
    458,630,432.92x = 688,241,616.94 × 167,473,178.20
  4. Step 4: Simplify right side
    458,630,432.92x = 115,262,010,958,448,768
  5. Step 5: Solve for x
    x = 115,262,010,958,448,768/458,630,432.92
  6. Step 6: Final answer
    x = 251,317,842.61

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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.