Home / 885,275,615.40-1,328,763,728.70-449,068,842.60

Finding the Fourth Proportional to 885,275,615.40, 1,328,763,728.70 and 449,068,842.60

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Solution

The fourth proportional to 885,275,615.40, 1,328,763,728.70 and 449,068,842.60 is: 674,034,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,275,615.40 : 1,328,763,728.70 = 449,068,842.60 : x
  2. Step 2: Convert to fraction form
    885,275,615.40/1,328,763,728.70 = 449,068,842.60/x
  3. Step 3: Cross multiply
    885,275,615.40x = 1,328,763,728.70 × 449,068,842.60
  4. Step 4: Simplify right side
    885,275,615.40x = 596,706,389,736,169,472
  5. Step 5: Solve for x
    x = 596,706,389,736,169,472/885,275,615.40
  6. Step 6: Final answer
    x = 674,034,593.70

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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.