Home / 1,248,700,507.80-1,872,437,850-617,703,515.04

Finding the Fourth Proportional to 1,248,700,507.80, 1,872,437,850 and 617,703,515.04

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Solution

The fourth proportional to 1,248,700,507.80, 1,872,437,850 and 617,703,515.04 is: 926,252,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,700,507.80 : 1,872,437,850 = 617,703,515.04 : x
  2. Step 2: Convert to fraction form
    1,248,700,507.80/1,872,437,850 = 617,703,515.04/x
  3. Step 3: Cross multiply
    1,248,700,507.80x = 1,872,437,850 × 617,703,515.04
  4. Step 4: Simplify right side
    1,248,700,507.80x = 1,156,611,441,638,940,160
  5. Step 5: Solve for x
    x = 1,156,611,441,638,940,160/1,248,700,507.80
  6. Step 6: Final answer
    x = 926,252,079.19

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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.