Home / 829,805,615.80-1,244,708,423.70-782,188,502.20

Finding the Fourth Proportional to 829,805,615.80, 1,244,708,423.70 and 782,188,502.20

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Solution

The fourth proportional to 829,805,615.80, 1,244,708,423.70 and 782,188,502.20 is: 1,173,282,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,805,615.80 : 1,244,708,423.70 = 782,188,502.20 : x
  2. Step 2: Convert to fraction form
    829,805,615.80/1,244,708,423.70 = 782,188,502.20/x
  3. Step 3: Cross multiply
    829,805,615.80x = 1,244,708,423.70 × 782,188,502.20
  4. Step 4: Simplify right side
    829,805,615.80x = 973,596,617,609,626,112
  5. Step 5: Solve for x
    x = 973,596,617,609,626,112/829,805,615.80
  6. Step 6: Final answer
    x = 1,173,282,753.30

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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.