Home / 1,770,190,280.20-2,655,285,420.30-748,851,041.80

Finding the Fourth Proportional to 1,770,190,280.20, 2,655,285,420.30 and 748,851,041.80

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Solution

The fourth proportional to 1,770,190,280.20, 2,655,285,420.30 and 748,851,041.80 is: 1,123,276,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,190,280.20 : 2,655,285,420.30 = 748,851,041.80 : x
  2. Step 2: Convert to fraction form
    1,770,190,280.20/2,655,285,420.30 = 748,851,041.80/x
  3. Step 3: Cross multiply
    1,770,190,280.20x = 2,655,285,420.30 × 748,851,041.80
  4. Step 4: Simplify right side
    1,770,190,280.20x = 1,988,413,253,268,005,888
  5. Step 5: Solve for x
    x = 1,988,413,253,268,005,888/1,770,190,280.20
  6. Step 6: Final answer
    x = 1,123,276,562.70

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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.