Home / 931,553,498.12-1,397,182,165.41-309,717,008.42

Finding the Fourth Proportional to 931,553,498.12, 1,397,182,165.41 and 309,717,008.42

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Solution

The fourth proportional to 931,553,498.12, 1,397,182,165.41 and 309,717,008.42 is: 464,526,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,553,498.12 : 1,397,182,165.41 = 309,717,008.42 : x
  2. Step 2: Convert to fraction form
    931,553,498.12/1,397,182,165.41 = 309,717,008.42/x
  3. Step 3: Cross multiply
    931,553,498.12x = 1,397,182,165.41 × 309,717,008.42
  4. Step 4: Simplify right side
    931,553,498.12x = 432,731,080,488,562,880
  5. Step 5: Solve for x
    x = 432,731,080,488,562,880/931,553,498.12
  6. Step 6: Final answer
    x = 464,526,279.34

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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.