Home / 458,630,431.92-688,241,615.44-167,473,177.20

Finding the Fourth Proportional to 458,630,431.92, 688,241,615.44 and 167,473,177.20

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Solution

The fourth proportional to 458,630,431.92, 688,241,615.44 and 167,473,177.20 is: 251,317,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,630,431.92 : 688,241,615.44 = 167,473,177.20 : x
  2. Step 2: Convert to fraction form
    458,630,431.92/688,241,615.44 = 167,473,177.20/x
  3. Step 3: Cross multiply
    458,630,431.92x = 688,241,615.44 × 167,473,177.20
  4. Step 4: Simplify right side
    458,630,431.92x = 115,262,010,018,997,376
  5. Step 5: Solve for x
    x = 115,262,010,018,997,376/458,630,431.92
  6. Step 6: Final answer
    x = 251,317,841.11

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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.