Home / 523,406,239.83-722,268,157.64-288,443,773.44

Finding the Fourth Proportional to 523,406,239.83, 722,268,157.64 and 288,443,773.44

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Solution

The fourth proportional to 523,406,239.83, 722,268,157.64 and 288,443,773.44 is: 398,034,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,406,239.83 : 722,268,157.64 = 288,443,773.44 : x
  2. Step 2: Convert to fraction form
    523,406,239.83/722,268,157.64 = 288,443,773.44/x
  3. Step 3: Cross multiply
    523,406,239.83x = 722,268,157.64 × 288,443,773.44
  4. Step 4: Simplify right side
    523,406,239.83x = 208,333,752,823,796,128
  5. Step 5: Solve for x
    x = 208,333,752,823,796,128/523,406,239.83
  6. Step 6: Final answer
    x = 398,034,522.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.