Home / 1,068,272,405.20-1,602,408,607.80-331,340,885.20

Finding the Fourth Proportional to 1,068,272,405.20, 1,602,408,607.80 and 331,340,885.20

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Solution

The fourth proportional to 1,068,272,405.20, 1,602,408,607.80 and 331,340,885.20 is: 497,011,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,272,405.20 : 1,602,408,607.80 = 331,340,885.20 : x
  2. Step 2: Convert to fraction form
    1,068,272,405.20/1,602,408,607.80 = 331,340,885.20/x
  3. Step 3: Cross multiply
    1,068,272,405.20x = 1,602,408,607.80 × 331,340,885.20
  4. Step 4: Simplify right side
    1,068,272,405.20x = 530,943,486,560,551,616
  5. Step 5: Solve for x
    x = 530,943,486,560,551,616/1,068,272,405.20
  6. Step 6: Final answer
    x = 497,011,327.80

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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.