Home / 898,153,721.10-1,347,230,581.65-509,826,501.90

Finding the Fourth Proportional to 898,153,721.10, 1,347,230,581.65 and 509,826,501.90

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Solution

The fourth proportional to 898,153,721.10, 1,347,230,581.65 and 509,826,501.90 is: 764,739,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,153,721.10 : 1,347,230,581.65 = 509,826,501.90 : x
  2. Step 2: Convert to fraction form
    898,153,721.10/1,347,230,581.65 = 509,826,501.90/x
  3. Step 3: Cross multiply
    898,153,721.10x = 1,347,230,581.65 × 509,826,501.90
  4. Step 4: Simplify right side
    898,153,721.10x = 686,853,854,695,321,856
  5. Step 5: Solve for x
    x = 686,853,854,695,321,856/898,153,721.10
  6. Step 6: Final answer
    x = 764,739,752.85

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1.5x scale

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.