Home / 1,281,957,032.40-1,922,935,548.60-1,268,352,142.80

Finding the Fourth Proportional to 1,281,957,032.40, 1,922,935,548.60 and 1,268,352,142.80

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Solution

The fourth proportional to 1,281,957,032.40, 1,922,935,548.60 and 1,268,352,142.80 is: 1,902,528,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,957,032.40 : 1,922,935,548.60 = 1,268,352,142.80 : x
  2. Step 2: Convert to fraction form
    1,281,957,032.40/1,922,935,548.60 = 1,268,352,142.80/x
  3. Step 3: Cross multiply
    1,281,957,032.40x = 1,922,935,548.60 × 1,268,352,142.80
  4. Step 4: Simplify right side
    1,281,957,032.40x = 2,438,959,423,533,103,104
  5. Step 5: Solve for x
    x = 2,438,959,423,533,103,104/1,281,957,032.40
  6. Step 6: Final answer
    x = 1,902,528,214.20

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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.