Home / 1,381,006,400.23-2,072,819,237.15-854,783,724.89

Finding the Fourth Proportional to 1,381,006,400.23, 2,072,819,237.15 and 854,783,724.89

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Solution

The fourth proportional to 1,381,006,400.23, 2,072,819,237.15 and 854,783,724.89 is: 1,282,986,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,006,400.23 : 2,072,819,237.15 = 854,783,724.89 : x
  2. Step 2: Convert to fraction form
    1,381,006,400.23/2,072,819,237.15 = 854,783,724.89/x
  3. Step 3: Cross multiply
    1,381,006,400.23x = 2,072,819,237.15 × 854,783,724.89
  4. Step 4: Simplify right side
    1,381,006,400.23x = 1,771,812,148,562,044,416
  5. Step 5: Solve for x
    x = 1,771,812,148,562,044,416/1,381,006,400.23
  6. Step 6: Final answer
    x = 1,282,986,196.35

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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.