Home / 1,391,036,666.70-2,086,555,000.05-1,044,111,981.90

Finding the Fourth Proportional to 1,391,036,666.70, 2,086,555,000.05 and 1,044,111,981.90

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Solution

The fourth proportional to 1,391,036,666.70, 2,086,555,000.05 and 1,044,111,981.90 is: 1,566,167,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,036,666.70 : 2,086,555,000.05 = 1,044,111,981.90 : x
  2. Step 2: Convert to fraction form
    1,391,036,666.70/2,086,555,000.05 = 1,044,111,981.90/x
  3. Step 3: Cross multiply
    1,391,036,666.70x = 2,086,555,000.05 × 1,044,111,981.90
  4. Step 4: Simplify right side
    1,391,036,666.70x = 2,178,597,076,445,560,064
  5. Step 5: Solve for x
    x = 2,178,597,076,445,560,064/1,391,036,666.70
  6. Step 6: Final answer
    x = 1,566,167,972.85

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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.