Home / 896,814,621.28-1,237,604,947.92-500,337,672.34

Finding the Fourth Proportional to 896,814,621.28, 1,237,604,947.92 and 500,337,672.34

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Solution

The fourth proportional to 896,814,621.28, 1,237,604,947.92 and 500,337,672.34 is: 690,466,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,814,621.28 : 1,237,604,947.92 = 500,337,672.34 : x
  2. Step 2: Convert to fraction form
    896,814,621.28/1,237,604,947.92 = 500,337,672.34/x
  3. Step 3: Cross multiply
    896,814,621.28x = 1,237,604,947.92 × 500,337,672.34
  4. Step 4: Simplify right side
    896,814,621.28x = 619,220,378,918,759,680
  5. Step 5: Solve for x
    x = 619,220,378,918,759,680/896,814,621.28
  6. Step 6: Final answer
    x = 690,466,417.73

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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.