Home / 20,177,881,032.60-30,266,821,548.90-9,694,569,578.40

Finding the Fourth Proportional to 20,177,881,032.60, 30,266,821,548.90 and 9,694,569,578.40

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Solution

The fourth proportional to 20,177,881,032.60, 30,266,821,548.90 and 9,694,569,578.40 is: 14,541,854,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,881,032.60 : 30,266,821,548.90 = 9,694,569,578.40 : x
  2. Step 2: Convert to fraction form
    20,177,881,032.60/30,266,821,548.90 = 9,694,569,578.40/x
  3. Step 3: Cross multiply
    20,177,881,032.60x = 30,266,821,548.90 × 9,694,569,578.40
  4. Step 4: Simplify right side
    20,177,881,032.60x = 293,423,807,422,827,495,424
  5. Step 5: Solve for x
    x = 293,423,807,422,827,495,424/20,177,881,032.60
  6. Step 6: Final answer
    x = 14,541,854,367.60

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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.