Home / 783,539,269.14-1,174,017,493.56-455,092,787.91

Finding the Fourth Proportional to 783,539,269.14, 1,174,017,493.56 and 455,092,787.91

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Solution

The fourth proportional to 783,539,269.14, 1,174,017,493.56 and 455,092,787.91 is: 681,889,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,539,269.14 : 1,174,017,493.56 = 455,092,787.91 : x
  2. Step 2: Convert to fraction form
    783,539,269.14/1,174,017,493.56 = 455,092,787.91/x
  3. Step 3: Cross multiply
    783,539,269.14x = 1,174,017,493.56 × 455,092,787.91
  4. Step 4: Simplify right side
    783,539,269.14x = 534,286,894,199,330,880
  5. Step 5: Solve for x
    x = 534,286,894,199,330,880/783,539,269.14
  6. Step 6: Final answer
    x = 681,889,109.13

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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.