Home / 896,814,642.92-1,237,604,977.73-500,337,693.97

Finding the Fourth Proportional to 896,814,642.92, 1,237,604,977.73 and 500,337,693.97

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Solution

The fourth proportional to 896,814,642.92, 1,237,604,977.73 and 500,337,693.97 is: 690,466,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,814,642.92 : 1,237,604,977.73 = 500,337,693.97 : x
  2. Step 2: Convert to fraction form
    896,814,642.92/1,237,604,977.73 = 500,337,693.97/x
  3. Step 3: Cross multiply
    896,814,642.92x = 1,237,604,977.73 × 500,337,693.97
  4. Step 4: Simplify right side
    896,814,642.92x = 619,220,420,601,378,176
  5. Step 5: Solve for x
    x = 619,220,420,601,378,176/896,814,642.92
  6. Step 6: Final answer
    x = 690,466,447.55

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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.