Home / 3,171,926,386,915.50-4,757,883,641,784.30-993,887,117,340.40

Finding the Fourth Proportional to 3,171,926,386,915.50, 4,757,883,641,784.30 and 993,887,117,340.40

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Solution

The fourth proportional to 3,171,926,386,915.50, 4,757,883,641,784.30 and 993,887,117,340.40 is: 1,490,828,815,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,926,386,915.50 : 4,757,883,641,784.30 = 993,887,117,340.40 : x
  2. Step 2: Convert to fraction form
    3,171,926,386,915.50/4,757,883,641,784.30 = 993,887,117,340.40/x
  3. Step 3: Cross multiply
    3,171,926,386,915.50x = 4,757,883,641,784.30 × 993,887,117,340.40
  4. Step 4: Simplify right side
    3,171,926,386,915.50x = 4,728,799,257,374,042,403,897,344
  5. Step 5: Solve for x
    x = 4,728,799,257,374,042,403,897,344/3,171,926,386,915.50
  6. Step 6: Final answer
    x = 1,490,828,815,221.18

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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.