Home / 769,842,509.60-1,154,808,001.20-224,668,186.40

Finding the Fourth Proportional to 769,842,509.60, 1,154,808,001.20 and 224,668,186.40

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Solution

The fourth proportional to 769,842,509.60, 1,154,808,001.20 and 224,668,186.40 is: 337,015,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,842,509.60 : 1,154,808,001.20 = 224,668,186.40 : x
  2. Step 2: Convert to fraction form
    769,842,509.60/1,154,808,001.20 = 224,668,186.40/x
  3. Step 3: Cross multiply
    769,842,509.60x = 1,154,808,001.20 × 224,668,186.40
  4. Step 4: Simplify right side
    769,842,509.60x = 259,448,619,269,813,056
  5. Step 5: Solve for x
    x = 259,448,619,269,813,056/769,842,509.60
  6. Step 6: Final answer
    x = 337,015,189.52

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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.