Home / 717,456,298.60-1,076,184,447.90-543,993,956.20

Finding the Fourth Proportional to 717,456,298.60, 1,076,184,447.90 and 543,993,956.20

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Solution

The fourth proportional to 717,456,298.60, 1,076,184,447.90 and 543,993,956.20 is: 815,990,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,456,298.60 : 1,076,184,447.90 = 543,993,956.20 : x
  2. Step 2: Convert to fraction form
    717,456,298.60/1,076,184,447.90 = 543,993,956.20/x
  3. Step 3: Cross multiply
    717,456,298.60x = 1,076,184,447.90 × 543,993,956.20
  4. Step 4: Simplify right side
    717,456,298.60x = 585,437,835,414,033,920
  5. Step 5: Solve for x
    x = 585,437,835,414,033,920/717,456,298.60
  6. Step 6: Final answer
    x = 815,990,934.30

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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.