Home / 1,008,571,510.70-1,512,857,266.05-619,131,545.90

Finding the Fourth Proportional to 1,008,571,510.70, 1,512,857,266.05 and 619,131,545.90

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Solution

The fourth proportional to 1,008,571,510.70, 1,512,857,266.05 and 619,131,545.90 is: 928,697,318.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,571,510.70 : 1,512,857,266.05 = 619,131,545.90 : x
  2. Step 2: Convert to fraction form
    1,008,571,510.70/1,512,857,266.05 = 619,131,545.90/x
  3. Step 3: Cross multiply
    1,008,571,510.70x = 1,512,857,266.05 × 619,131,545.90
  4. Step 4: Simplify right side
    1,008,571,510.70x = 936,657,657,855,584,000
  5. Step 5: Solve for x
    x = 936,657,657,855,584,000/1,008,571,510.70
  6. Step 6: Final answer
    x = 928,697,318.85

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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.