Home / 400,362,895.62-600,428,344.95-120,232,508.58

Finding the Fourth Proportional to 400,362,895.62, 600,428,344.95 and 120,232,508.58

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Solution

The fourth proportional to 400,362,895.62, 600,428,344.95 and 120,232,508.58 is: 180,313,927.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,362,895.62 : 600,428,344.95 = 120,232,508.58 : x
  2. Step 2: Convert to fraction form
    400,362,895.62/600,428,344.95 = 120,232,508.58/x
  3. Step 3: Cross multiply
    400,362,895.62x = 600,428,344.95 × 120,232,508.58
  4. Step 4: Simplify right side
    400,362,895.62x = 72,191,006,135,876,080
  5. Step 5: Solve for x
    x = 72,191,006,135,876,080/400,362,895.62
  6. Step 6: Final answer
    x = 180,313,927.50

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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.