Home / 261,952,182,425.60-392,928,273,638.40-144,405,936,281.60

Finding the Fourth Proportional to 261,952,182,425.60, 392,928,273,638.40 and 144,405,936,281.60

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Solution

The fourth proportional to 261,952,182,425.60, 392,928,273,638.40 and 144,405,936,281.60 is: 216,608,904,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,952,182,425.60 : 392,928,273,638.40 = 144,405,936,281.60 : x
  2. Step 2: Convert to fraction form
    261,952,182,425.60/392,928,273,638.40 = 144,405,936,281.60/x
  3. Step 3: Cross multiply
    261,952,182,425.60x = 392,928,273,638.40 × 144,405,936,281.60
  4. Step 4: Simplify right side
    261,952,182,425.60x = 56,741,175,246,265,889,325,056
  5. Step 5: Solve for x
    x = 56,741,175,246,265,889,325,056/261,952,182,425.60
  6. Step 6: Final answer
    x = 216,608,904,422.40

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Double scale
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1.5x scale

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.