Home / 717,419,077.60-1,076,128,616.40-543,956,735.20

Finding the Fourth Proportional to 717,419,077.60, 1,076,128,616.40 and 543,956,735.20

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Solution

The fourth proportional to 717,419,077.60, 1,076,128,616.40 and 543,956,735.20 is: 815,935,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,419,077.60 : 1,076,128,616.40 = 543,956,735.20 : x
  2. Step 2: Convert to fraction form
    717,419,077.60/1,076,128,616.40 = 543,956,735.20/x
  3. Step 3: Cross multiply
    717,419,077.60x = 1,076,128,616.40 × 543,956,735.20
  4. Step 4: Simplify right side
    717,419,077.60x = 585,367,408,832,237,312
  5. Step 5: Solve for x
    x = 585,367,408,832,237,312/717,419,077.60
  6. Step 6: Final answer
    x = 815,935,102.80

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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.