Home / 1,190,563,815.02-1,785,730,261.20-361,524,638.60

Finding the Fourth Proportional to 1,190,563,815.02, 1,785,730,261.20 and 361,524,638.60

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Solution

The fourth proportional to 1,190,563,815.02, 1,785,730,261.20 and 361,524,638.60 is: 542,251,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,563,815.02 : 1,785,730,261.20 = 361,524,638.60 : x
  2. Step 2: Convert to fraction form
    1,190,563,815.02/1,785,730,261.20 = 361,524,638.60/x
  3. Step 3: Cross multiply
    1,190,563,815.02x = 1,785,730,261.20 × 361,524,638.60
  4. Step 4: Simplify right side
    1,190,563,815.02x = 645,585,487,317,413,632
  5. Step 5: Solve for x
    x = 645,585,487,317,413,632/1,190,563,815.02
  6. Step 6: Final answer
    x = 542,251,897.10

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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.