Home / 1,042,923,141.20-1,564,384,711.80-655,018,450.40

Finding the Fourth Proportional to 1,042,923,141.20, 1,564,384,711.80 and 655,018,450.40

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Solution

The fourth proportional to 1,042,923,141.20, 1,564,384,711.80 and 655,018,450.40 is: 982,527,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,923,141.20 : 1,564,384,711.80 = 655,018,450.40 : x
  2. Step 2: Convert to fraction form
    1,042,923,141.20/1,564,384,711.80 = 655,018,450.40/x
  3. Step 3: Cross multiply
    1,042,923,141.20x = 1,564,384,711.80 × 655,018,450.40
  4. Step 4: Simplify right side
    1,042,923,141.20x = 1,024,700,849,752,686,464
  5. Step 5: Solve for x
    x = 1,024,700,849,752,686,464/1,042,923,141.20
  6. Step 6: Final answer
    x = 982,527,675.60

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Half scale
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Double scale
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Similar ratio
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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.