Home / 492,700,428.37-738,956,455.71-147,654,055.36

Finding the Fourth Proportional to 492,700,428.37, 738,956,455.71 and 147,654,055.36

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Solution

The fourth proportional to 492,700,428.37, 738,956,455.71 and 147,654,055.36 is: 221,452,856.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,700,428.37 : 738,956,455.71 = 147,654,055.36 : x
  2. Step 2: Convert to fraction form
    492,700,428.37/738,956,455.71 = 147,654,055.36/x
  3. Step 3: Cross multiply
    492,700,428.37x = 738,956,455.71 × 147,654,055.36
  4. Step 4: Simplify right side
    492,700,428.37x = 109,109,917,420,033,744
  5. Step 5: Solve for x
    x = 109,109,917,420,033,744/492,700,428.37
  6. Step 6: Final answer
    x = 221,452,856.82

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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.