Home / 717,456,420.60-1,076,184,630.90-543,994,078.20

Finding the Fourth Proportional to 717,456,420.60, 1,076,184,630.90 and 543,994,078.20

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Solution

The fourth proportional to 717,456,420.60, 1,076,184,630.90 and 543,994,078.20 is: 815,991,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,456,420.60 : 1,076,184,630.90 = 543,994,078.20 : x
  2. Step 2: Convert to fraction form
    717,456,420.60/1,076,184,630.90 = 543,994,078.20/x
  3. Step 3: Cross multiply
    717,456,420.60x = 1,076,184,630.90 × 543,994,078.20
  4. Step 4: Simplify right side
    717,456,420.60x = 585,438,066,259,452,800
  5. Step 5: Solve for x
    x = 585,438,066,259,452,800/717,456,420.60
  6. Step 6: Final answer
    x = 815,991,117.30

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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.