Home / 781,393,471.02-1,171,198,630.53-314,756,303.43

Finding the Fourth Proportional to 781,393,471.02, 1,171,198,630.53 and 314,756,303.43

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Solution

The fourth proportional to 781,393,471.02, 1,171,198,630.53 and 314,756,303.43 is: 471,775,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,393,471.02 : 1,171,198,630.53 = 314,756,303.43 : x
  2. Step 2: Convert to fraction form
    781,393,471.02/1,171,198,630.53 = 314,756,303.43/x
  3. Step 3: Cross multiply
    781,393,471.02x = 1,171,198,630.53 × 314,756,303.43
  4. Step 4: Simplify right side
    781,393,471.02x = 368,642,151,527,901,120
  5. Step 5: Solve for x
    x = 368,642,151,527,901,120/781,393,471.02
  6. Step 6: Final answer
    x = 471,775,315.77

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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.