Home / 317,523,911,382.90-476,378,807,716.80-102,388,127,043.78

Finding the Fourth Proportional to 317,523,911,382.90, 476,378,807,716.80 and 102,388,127,043.78

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Solution

The fourth proportional to 317,523,911,382.90, 476,378,807,716.80 and 102,388,127,043.78 is: 153,612,160,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,523,911,382.90 : 476,378,807,716.80 = 102,388,127,043.78 : x
  2. Step 2: Convert to fraction form
    317,523,911,382.90/476,378,807,716.80 = 102,388,127,043.78/x
  3. Step 3: Cross multiply
    317,523,911,382.90x = 476,378,807,716.80 × 102,388,127,043.78
  4. Step 4: Simplify right side
    317,523,911,382.90x = 48,775,533,885,472,158,777,344
  5. Step 5: Solve for x
    x = 48,775,533,885,472,158,777,344/317,523,911,382.90
  6. Step 6: Final answer
    x = 153,612,160,019.83

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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.