Home / 1,180,955,909.20-1,771,424,532.60-307,555,589.20

Finding the Fourth Proportional to 1,180,955,909.20, 1,771,424,532.60 and 307,555,589.20

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Solution

The fourth proportional to 1,180,955,909.20, 1,771,424,532.60 and 307,555,589.20 is: 461,330,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,955,909.20 : 1,771,424,532.60 = 307,555,589.20 : x
  2. Step 2: Convert to fraction form
    1,180,955,909.20/1,771,424,532.60 = 307,555,589.20/x
  3. Step 3: Cross multiply
    1,180,955,909.20x = 1,771,424,532.60 × 307,555,589.20
  4. Step 4: Simplify right side
    1,180,955,909.20x = 544,811,515,847,127,552
  5. Step 5: Solve for x
    x = 544,811,515,847,127,552/1,180,955,909.20
  6. Step 6: Final answer
    x = 461,330,953.68

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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.