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Finding the Fourth Proportional to 580,608,847.80, 870,913,271.70 and 257,492,719.80

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Solution

The fourth proportional to 580,608,847.80, 870,913,271.70 and 257,492,719.80 is: 386,239,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,608,847.80 : 870,913,271.70 = 257,492,719.80 : x
  2. Step 2: Convert to fraction form
    580,608,847.80/870,913,271.70 = 257,492,719.80/x
  3. Step 3: Cross multiply
    580,608,847.80x = 870,913,271.70 × 257,492,719.80
  4. Step 4: Simplify right side
    580,608,847.80x = 224,253,827,039,949,408
  5. Step 5: Solve for x
    x = 224,253,827,039,949,408/580,608,847.80
  6. Step 6: Final answer
    x = 386,239,079.70

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