Home / 409,516,581.60-614,274,872.40-179,934,069.60

Finding the Fourth Proportional to 409,516,581.60, 614,274,872.40 and 179,934,069.60

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Solution

The fourth proportional to 409,516,581.60, 614,274,872.40 and 179,934,069.60 is: 269,901,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,516,581.60 : 614,274,872.40 = 179,934,069.60 : x
  2. Step 2: Convert to fraction form
    409,516,581.60/614,274,872.40 = 179,934,069.60/x
  3. Step 3: Cross multiply
    409,516,581.60x = 614,274,872.40 × 179,934,069.60
  4. Step 4: Simplify right side
    409,516,581.60x = 110,528,977,643,952,704
  5. Step 5: Solve for x
    x = 110,528,977,643,952,704/409,516,581.60
  6. Step 6: Final answer
    x = 269,901,104.40

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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.