Home / 523,297,310.61-722,117,750.45-288,334,822.35

Finding the Fourth Proportional to 523,297,310.61, 722,117,750.45 and 288,334,822.35

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Solution

The fourth proportional to 523,297,310.61, 722,117,750.45 and 288,334,822.35 is: 397,884,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,297,310.61 : 722,117,750.45 = 288,334,822.35 : x
  2. Step 2: Convert to fraction form
    523,297,310.61/722,117,750.45 = 288,334,822.35/x
  3. Step 3: Cross multiply
    523,297,310.61x = 722,117,750.45 × 288,334,822.35
  4. Step 4: Simplify right side
    523,297,310.61x = 208,211,693,290,340,736
  5. Step 5: Solve for x
    x = 208,211,693,290,340,736/523,297,310.61
  6. Step 6: Final answer
    x = 397,884,126.42

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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.