Home / 894,842,459.08-1,234,920,867.24-498,365,385.06

Finding the Fourth Proportional to 894,842,459.08, 1,234,920,867.24 and 498,365,385.06

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Solution

The fourth proportional to 894,842,459.08, 1,234,920,867.24 and 498,365,385.06 is: 687,765,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,842,459.08 : 1,234,920,867.24 = 498,365,385.06 : x
  2. Step 2: Convert to fraction form
    894,842,459.08/1,234,920,867.24 = 498,365,385.06/x
  3. Step 3: Cross multiply
    894,842,459.08x = 1,234,920,867.24 × 498,365,385.06
  4. Step 4: Simplify right side
    894,842,459.08x = 615,441,813,520,691,712
  5. Step 5: Solve for x
    x = 615,441,813,520,691,712/894,842,459.08
  6. Step 6: Final answer
    x = 687,765,547.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.