Home / 1,338,704,856.90-2,008,057,285.35-476,750,808.90

Finding the Fourth Proportional to 1,338,704,856.90, 2,008,057,285.35 and 476,750,808.90

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Solution

The fourth proportional to 1,338,704,856.90, 2,008,057,285.35 and 476,750,808.90 is: 715,126,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,704,856.90 : 2,008,057,285.35 = 476,750,808.90 : x
  2. Step 2: Convert to fraction form
    1,338,704,856.90/2,008,057,285.35 = 476,750,808.90/x
  3. Step 3: Cross multiply
    1,338,704,856.90x = 2,008,057,285.35 × 476,750,808.90
  4. Step 4: Simplify right side
    1,338,704,856.90x = 957,342,935,108,150,528
  5. Step 5: Solve for x
    x = 957,342,935,108,150,528/1,338,704,856.90
  6. Step 6: Final answer
    x = 715,126,213.35

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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.