Home / 880,692,123.70-1,321,038,185.55-267,275,365.30

Finding the Fourth Proportional to 880,692,123.70, 1,321,038,185.55 and 267,275,365.30

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Solution

The fourth proportional to 880,692,123.70, 1,321,038,185.55 and 267,275,365.30 is: 400,913,047.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,692,123.70 : 1,321,038,185.55 = 267,275,365.30 : x
  2. Step 2: Convert to fraction form
    880,692,123.70/1,321,038,185.55 = 267,275,365.30/x
  3. Step 3: Cross multiply
    880,692,123.70x = 1,321,038,185.55 × 267,275,365.30
  4. Step 4: Simplify right side
    880,692,123.70x = 353,080,963,618,125,440
  5. Step 5: Solve for x
    x = 353,080,963,618,125,440/880,692,123.70
  6. Step 6: Final answer
    x = 400,913,047.95

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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.