Home / 920,659,211.50-1,381,861,901.12-569,844,098.34

Finding the Fourth Proportional to 920,659,211.50, 1,381,861,901.12 and 569,844,098.34

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Solution

The fourth proportional to 920,659,211.50, 1,381,861,901.12 and 569,844,098.34 is: 855,306,544.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,659,211.50 : 1,381,861,901.12 = 569,844,098.34 : x
  2. Step 2: Convert to fraction form
    920,659,211.50/1,381,861,901.12 = 569,844,098.34/x
  3. Step 3: Cross multiply
    920,659,211.50x = 1,381,861,901.12 × 569,844,098.34
  4. Step 4: Simplify right side
    920,659,211.50x = 787,445,849,074,124,672
  5. Step 5: Solve for x
    x = 787,445,849,074,124,672/920,659,211.50
  6. Step 6: Final answer
    x = 855,306,544.74

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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.