Home / 490,564,076.28-735,955,488.96-140,782,877.64

Finding the Fourth Proportional to 490,564,076.28, 735,955,488.96 and 140,782,877.64

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Solution

The fourth proportional to 490,564,076.28, 735,955,488.96 and 140,782,877.64 is: 211,205,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,564,076.28 : 735,955,488.96 = 140,782,877.64 : x
  2. Step 2: Convert to fraction form
    490,564,076.28/735,955,488.96 = 140,782,877.64/x
  3. Step 3: Cross multiply
    490,564,076.28x = 735,955,488.96 × 140,782,877.64
  4. Step 4: Simplify right side
    490,564,076.28x = 103,609,931,550,742,048
  5. Step 5: Solve for x
    x = 103,609,931,550,742,048/490,564,076.28
  6. Step 6: Final answer
    x = 211,205,704.94

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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.