Home / 492,700,420.38-738,956,443.74-147,654,047.34

Finding the Fourth Proportional to 492,700,420.38, 738,956,443.74 and 147,654,047.34

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Solution

The fourth proportional to 492,700,420.38, 738,956,443.74 and 147,654,047.34 is: 221,452,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,700,420.38 : 738,956,443.74 = 147,654,047.34 : x
  2. Step 2: Convert to fraction form
    492,700,420.38/738,956,443.74 = 147,654,047.34/x
  3. Step 3: Cross multiply
    492,700,420.38x = 738,956,443.74 × 147,654,047.34
  4. Step 4: Simplify right side
    492,700,420.38x = 109,109,909,726,184,016
  5. Step 5: Solve for x
    x = 109,109,909,726,184,016/492,700,420.38
  6. Step 6: Final answer
    x = 221,452,844.80

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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.