Home / 442,847,663.10-664,271,494.65-115,322,543.10

Finding the Fourth Proportional to 442,847,663.10, 664,271,494.65 and 115,322,543.10

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Solution

The fourth proportional to 442,847,663.10, 664,271,494.65 and 115,322,543.10 is: 172,983,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,847,663.10 : 664,271,494.65 = 115,322,543.10 : x
  2. Step 2: Convert to fraction form
    442,847,663.10/664,271,494.65 = 115,322,543.10/x
  3. Step 3: Cross multiply
    442,847,663.10x = 664,271,494.65 × 115,322,543.10
  4. Step 4: Simplify right side
    442,847,663.10x = 76,605,478,071,876,032
  5. Step 5: Solve for x
    x = 76,605,478,071,876,032/442,847,663.10
  6. Step 6: Final answer
    x = 172,983,814.65

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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.