Home / 425,505,575.40-638,258,363.10-152,885,236.20

Finding the Fourth Proportional to 425,505,575.40, 638,258,363.10 and 152,885,236.20

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Solution

The fourth proportional to 425,505,575.40, 638,258,363.10 and 152,885,236.20 is: 229,327,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,505,575.40 : 638,258,363.10 = 152,885,236.20 : x
  2. Step 2: Convert to fraction form
    425,505,575.40/638,258,363.10 = 152,885,236.20/x
  3. Step 3: Cross multiply
    425,505,575.40x = 638,258,363.10 × 152,885,236.20
  4. Step 4: Simplify right side
    425,505,575.40x = 97,580,280,599,168,864
  5. Step 5: Solve for x
    x = 97,580,280,599,168,864/425,505,575.40
  6. Step 6: Final answer
    x = 229,327,854.30

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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.