Home / 1,412,799,354.68-2,119,221,505.50-786,512,126.57

Finding the Fourth Proportional to 1,412,799,354.68, 2,119,221,505.50 and 786,512,126.57

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Solution

The fourth proportional to 1,412,799,354.68, 2,119,221,505.50 and 786,512,126.57 is: 1,179,780,700.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,799,354.68 : 2,119,221,505.50 = 786,512,126.57 : x
  2. Step 2: Convert to fraction form
    1,412,799,354.68/2,119,221,505.50 = 786,512,126.57/x
  3. Step 3: Cross multiply
    1,412,799,354.68x = 2,119,221,505.50 × 786,512,126.57
  4. Step 4: Simplify right side
    1,412,799,354.68x = 1,666,793,412,953,085,952
  5. Step 5: Solve for x
    x = 1,666,793,412,953,085,952/1,412,799,354.68
  6. Step 6: Final answer
    x = 1,179,780,700.94

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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.