Home / 418,550,029.18-627,826,688.81-169,559,989.88

Finding the Fourth Proportional to 418,550,029.18, 627,826,688.81 and 169,559,989.88

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Solution

The fourth proportional to 418,550,029.18, 627,826,688.81 and 169,559,989.88 is: 254,340,651.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,550,029.18 : 627,826,688.81 = 169,559,989.88 : x
  2. Step 2: Convert to fraction form
    418,550,029.18/627,826,688.81 = 169,559,989.88/x
  3. Step 3: Cross multiply
    418,550,029.18x = 627,826,688.81 × 169,559,989.88
  4. Step 4: Simplify right side
    418,550,029.18x = 106,454,286,997,666,432
  5. Step 5: Solve for x
    x = 106,454,286,997,666,432/418,550,029.18
  6. Step 6: Final answer
    x = 254,340,651.24

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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.