Home / 447,119,246.70-670,678,870.05-140,442,360.30

Finding the Fourth Proportional to 447,119,246.70, 670,678,870.05 and 140,442,360.30

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Solution

The fourth proportional to 447,119,246.70, 670,678,870.05 and 140,442,360.30 is: 210,663,540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,119,246.70 : 670,678,870.05 = 140,442,360.30 : x
  2. Step 2: Convert to fraction form
    447,119,246.70/670,678,870.05 = 140,442,360.30/x
  3. Step 3: Cross multiply
    447,119,246.70x = 670,678,870.05 × 140,442,360.30
  4. Step 4: Simplify right side
    447,119,246.70x = 94,191,723,513,158,976
  5. Step 5: Solve for x
    x = 94,191,723,513,158,976/447,119,246.70
  6. Step 6: Final answer
    x = 210,663,540.45

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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.