Home / 447,119,215.20-670,678,822.80-140,442,328.80

Finding the Fourth Proportional to 447,119,215.20, 670,678,822.80 and 140,442,328.80

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Solution

The fourth proportional to 447,119,215.20, 670,678,822.80 and 140,442,328.80 is: 210,663,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,119,215.20 : 670,678,822.80 = 140,442,328.80 : x
  2. Step 2: Convert to fraction form
    447,119,215.20/670,678,822.80 = 140,442,328.80/x
  3. Step 3: Cross multiply
    447,119,215.20x = 670,678,822.80 × 140,442,328.80
  4. Step 4: Simplify right side
    447,119,215.20x = 94,191,695,750,874,544
  5. Step 5: Solve for x
    x = 94,191,695,750,874,544/447,119,215.20
  6. Step 6: Final answer
    x = 210,663,493.20

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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.