Home / 837,176,635.43-1,255,764,952.72-312,586,705.13

Finding the Fourth Proportional to 837,176,635.43, 1,255,764,952.72 and 312,586,705.13

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Solution

The fourth proportional to 837,176,635.43, 1,255,764,952.72 and 312,586,705.13 is: 468,880,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,176,635.43 : 1,255,764,952.72 = 312,586,705.13 : x
  2. Step 2: Convert to fraction form
    837,176,635.43/1,255,764,952.72 = 312,586,705.13/x
  3. Step 3: Cross multiply
    837,176,635.43x = 1,255,764,952.72 × 312,586,705.13
  4. Step 4: Simplify right side
    837,176,635.43x = 392,535,428,985,557,952
  5. Step 5: Solve for x
    x = 392,535,428,985,557,952/837,176,635.43
  6. Step 6: Final answer
    x = 468,880,057.53

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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.