Home / 920,659,211.70-1,381,861,901.42-569,844,098.53

Finding the Fourth Proportional to 920,659,211.70, 1,381,861,901.42 and 569,844,098.53

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Solution

The fourth proportional to 920,659,211.70, 1,381,861,901.42 and 569,844,098.53 is: 855,306,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,659,211.70 : 1,381,861,901.42 = 569,844,098.53 : x
  2. Step 2: Convert to fraction form
    920,659,211.70/1,381,861,901.42 = 569,844,098.53/x
  3. Step 3: Cross multiply
    920,659,211.70x = 1,381,861,901.42 × 569,844,098.53
  4. Step 4: Simplify right side
    920,659,211.70x = 787,445,849,507,631,616
  5. Step 5: Solve for x
    x = 787,445,849,507,631,616/920,659,211.70
  6. Step 6: Final answer
    x = 855,306,545.03

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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.