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Finding the Fourth Proportional to 637,754,468.36, 956,631,714.83 and 153,080,276.36

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Solution

The fourth proportional to 637,754,468.36, 956,631,714.83 and 153,080,276.36 is: 229,620,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,754,468.36 : 956,631,714.83 = 153,080,276.36 : x
  2. Step 2: Convert to fraction form
    637,754,468.36/956,631,714.83 = 153,080,276.36/x
  3. Step 3: Cross multiply
    637,754,468.36x = 956,631,714.83 × 153,080,276.36
  4. Step 4: Simplify right side
    637,754,468.36x = 146,441,447,275,368,544
  5. Step 5: Solve for x
    x = 146,441,447,275,368,544/637,754,468.36
  6. Step 6: Final answer
    x = 229,620,417.48

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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.