Home / 764,921,705.10-1,147,382,557.65-247,404,459.30

Finding the Fourth Proportional to 764,921,705.10, 1,147,382,557.65 and 247,404,459.30

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Solution

The fourth proportional to 764,921,705.10, 1,147,382,557.65 and 247,404,459.30 is: 371,106,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,921,705.10 : 1,147,382,557.65 = 247,404,459.30 : x
  2. Step 2: Convert to fraction form
    764,921,705.10/1,147,382,557.65 = 247,404,459.30/x
  3. Step 3: Cross multiply
    764,921,705.10x = 1,147,382,557.65 × 247,404,459.30
  4. Step 4: Simplify right side
    764,921,705.10x = 283,867,561,285,649,376
  5. Step 5: Solve for x
    x = 283,867,561,285,649,376/764,921,705.10
  6. Step 6: Final answer
    x = 371,106,688.95

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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.