Home / 676,272,000.80-1,014,408,001.20-216,225,178.40

Finding the Fourth Proportional to 676,272,000.80, 1,014,408,001.20 and 216,225,178.40

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Solution

The fourth proportional to 676,272,000.80, 1,014,408,001.20 and 216,225,178.40 is: 324,337,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,272,000.80 : 1,014,408,001.20 = 216,225,178.40 : x
  2. Step 2: Convert to fraction form
    676,272,000.80/1,014,408,001.20 = 216,225,178.40/x
  3. Step 3: Cross multiply
    676,272,000.80x = 1,014,408,001.20 × 216,225,178.40
  4. Step 4: Simplify right side
    676,272,000.80x = 219,340,551,029,857,440
  5. Step 5: Solve for x
    x = 219,340,551,029,857,440/676,272,000.80
  6. Step 6: Final answer
    x = 324,337,767.60

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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.