Home / 717,417,669.60-1,076,126,504.40-543,955,327.20

Finding the Fourth Proportional to 717,417,669.60, 1,076,126,504.40 and 543,955,327.20

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Solution

The fourth proportional to 717,417,669.60, 1,076,126,504.40 and 543,955,327.20 is: 815,932,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,417,669.60 : 1,076,126,504.40 = 543,955,327.20 : x
  2. Step 2: Convert to fraction form
    717,417,669.60/1,076,126,504.40 = 543,955,327.20/x
  3. Step 3: Cross multiply
    717,417,669.60x = 1,076,126,504.40 × 543,955,327.20
  4. Step 4: Simplify right side
    717,417,669.60x = 585,364,744,809,494,400
  5. Step 5: Solve for x
    x = 585,364,744,809,494,400/717,417,669.60
  6. Step 6: Final answer
    x = 815,932,990.80

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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.