Home / 452,311,463.40-678,506,274.18-124,786,976.95

Finding the Fourth Proportional to 452,311,463.40, 678,506,274.18 and 124,786,976.95

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Solution

The fourth proportional to 452,311,463.40, 678,506,274.18 and 124,786,976.95 is: 187,191,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,311,463.40 : 678,506,274.18 = 124,786,976.95 : x
  2. Step 2: Convert to fraction form
    452,311,463.40/678,506,274.18 = 124,786,976.95/x
  3. Step 3: Cross multiply
    452,311,463.40x = 678,506,274.18 × 124,786,976.95
  4. Step 4: Simplify right side
    452,311,463.40x = 84,668,746,796,530,032
  5. Step 5: Solve for x
    x = 84,668,746,796,530,032/452,311,463.40
  6. Step 6: Final answer
    x = 187,191,246.85

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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.