Home / 1,536,614,142.40-2,301,897,904.80-921,370,801.60

Finding the Fourth Proportional to 1,536,614,142.40, 2,301,897,904.80 and 921,370,801.60

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Solution

The fourth proportional to 1,536,614,142.40, 2,301,897,904.80 and 921,370,801.60 is: 1,380,243,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,614,142.40 : 2,301,897,904.80 = 921,370,801.60 : x
  2. Step 2: Convert to fraction form
    1,536,614,142.40/2,301,897,904.80 = 921,370,801.60/x
  3. Step 3: Cross multiply
    1,536,614,142.40x = 2,301,897,904.80 × 921,370,801.60
  4. Step 4: Simplify right side
    1,536,614,142.40x = 2,120,901,517,746,936,832
  5. Step 5: Solve for x
    x = 2,120,901,517,746,936,832/1,536,614,142.40
  6. Step 6: Final answer
    x = 1,380,243,393.07

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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.