Home / 31,641,446,180.10-43,645,334,007.02-18,771,974,765.40

Finding the Fourth Proportional to 31,641,446,180.10, 43,645,334,007.02 and 18,771,974,765.40

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Solution

The fourth proportional to 31,641,446,180.10, 43,645,334,007.02 and 18,771,974,765.40 is: 25,893,541,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641,446,180.10 : 43,645,334,007.02 = 18,771,974,765.40 : x
  2. Step 2: Convert to fraction form
    31,641,446,180.10/43,645,334,007.02 = 18,771,974,765.40/x
  3. Step 3: Cross multiply
    31,641,446,180.10x = 43,645,334,007.02 × 18,771,974,765.40
  4. Step 4: Simplify right side
    31,641,446,180.10x = 819,309,108,607,233,949,696
  5. Step 5: Solve for x
    x = 819,309,108,607,233,949,696/31,641,446,180.10
  6. Step 6: Final answer
    x = 25,893,541,778.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.