Home / 783,418,787.60-1,174,120,411.80-476,384,982.80

Finding the Fourth Proportional to 783,418,787.60, 1,174,120,411.80 and 476,384,982.80

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Solution

The fourth proportional to 783,418,787.60, 1,174,120,411.80 and 476,384,982.80 is: 713,964,664.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,418,787.60 : 1,174,120,411.80 = 476,384,982.80 : x
  2. Step 2: Convert to fraction form
    783,418,787.60/1,174,120,411.80 = 476,384,982.80/x
  3. Step 3: Cross multiply
    783,418,787.60x = 1,174,120,411.80 × 476,384,982.80
  4. Step 4: Simplify right side
    783,418,787.60x = 559,333,332,180,471,936
  5. Step 5: Solve for x
    x = 559,333,332,180,471,936/783,418,787.60
  6. Step 6: Final answer
    x = 713,964,664.92

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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.