Home / 2,125,766,541.60-3,188,649,812.40-1,921,693,197.60

Finding the Fourth Proportional to 2,125,766,541.60, 3,188,649,812.40 and 1,921,693,197.60

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Solution

The fourth proportional to 2,125,766,541.60, 3,188,649,812.40 and 1,921,693,197.60 is: 2,882,539,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,766,541.60 : 3,188,649,812.40 = 1,921,693,197.60 : x
  2. Step 2: Convert to fraction form
    2,125,766,541.60/3,188,649,812.40 = 1,921,693,197.60/x
  3. Step 3: Cross multiply
    2,125,766,541.60x = 3,188,649,812.40 × 1,921,693,197.60
  4. Step 4: Simplify right side
    2,125,766,541.60x = 6,127,606,654,017,596,416
  5. Step 5: Solve for x
    x = 6,127,606,654,017,596,416/2,125,766,541.60
  6. Step 6: Final answer
    x = 2,882,539,796.40

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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.