Home / 829,805,572.80-1,244,708,359.20-782,188,459.20

Finding the Fourth Proportional to 829,805,572.80, 1,244,708,359.20 and 782,188,459.20

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Solution

The fourth proportional to 829,805,572.80, 1,244,708,359.20 and 782,188,459.20 is: 1,173,282,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,805,572.80 : 1,244,708,359.20 = 782,188,459.20 : x
  2. Step 2: Convert to fraction form
    829,805,572.80/1,244,708,359.20 = 782,188,459.20/x
  3. Step 3: Cross multiply
    829,805,572.80x = 1,244,708,359.20 × 782,188,459.20
  4. Step 4: Simplify right side
    829,805,572.80x = 973,596,513,636,008,192
  5. Step 5: Solve for x
    x = 973,596,513,636,008,192/829,805,572.80
  6. Step 6: Final answer
    x = 1,173,282,688.80

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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.