Home / 1,381,006,895.55-2,072,819,979.36-854,784,219.66

Finding the Fourth Proportional to 1,381,006,895.55, 2,072,819,979.36 and 854,784,219.66

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Solution

The fourth proportional to 1,381,006,895.55, 2,072,819,979.36 and 854,784,219.66 is: 1,282,986,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,006,895.55 : 2,072,819,979.36 = 854,784,219.66 : x
  2. Step 2: Convert to fraction form
    1,381,006,895.55/2,072,819,979.36 = 854,784,219.66/x
  3. Step 3: Cross multiply
    1,381,006,895.55x = 2,072,819,979.36 × 854,784,219.66
  4. Step 4: Simplify right side
    1,381,006,895.55x = 1,771,813,808,552,894,720
  5. Step 5: Solve for x
    x = 1,771,813,808,552,894,720/1,381,006,895.55
  6. Step 6: Final answer
    x = 1,282,986,938.20

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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.