Home / 500,989,102.41-688,913,315.85-434,794,679.91

Finding the Fourth Proportional to 500,989,102.41, 688,913,315.85 and 434,794,679.91

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Solution

The fourth proportional to 500,989,102.41, 688,913,315.85 and 434,794,679.91 is: 597,888,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,989,102.41 : 688,913,315.85 = 434,794,679.91 : x
  2. Step 2: Convert to fraction form
    500,989,102.41/688,913,315.85 = 434,794,679.91/x
  3. Step 3: Cross multiply
    500,989,102.41x = 688,913,315.85 × 434,794,679.91
  4. Step 4: Simplify right side
    500,989,102.41x = 299,535,844,650,737,536
  5. Step 5: Solve for x
    x = 299,535,844,650,737,536/500,989,102.41
  6. Step 6: Final answer
    x = 597,888,942.51

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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.