Home / 523,348,911.90-722,226,274.86-288,408,002.04

Finding the Fourth Proportional to 523,348,911.90, 722,226,274.86 and 288,408,002.04

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Solution

The fourth proportional to 523,348,911.90, 722,226,274.86 and 288,408,002.04 is: 398,005,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,348,911.90 : 722,226,274.86 = 288,408,002.04 : x
  2. Step 2: Convert to fraction form
    523,348,911.90/722,226,274.86 = 288,408,002.04/x
  3. Step 3: Cross multiply
    523,348,911.90x = 722,226,274.86 × 288,408,002.04
  4. Step 4: Simplify right side
    523,348,911.90x = 208,295,836,953,164,512
  5. Step 5: Solve for x
    x = 208,295,836,953,164,512/523,348,911.90
  6. Step 6: Final answer
    x = 398,005,675.02

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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.