Home / 1,299,306,081.40-1,948,959,122.10-1,009,068,436.60

Finding the Fourth Proportional to 1,299,306,081.40, 1,948,959,122.10 and 1,009,068,436.60

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Solution

The fourth proportional to 1,299,306,081.40, 1,948,959,122.10 and 1,009,068,436.60 is: 1,513,602,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,306,081.40 : 1,948,959,122.10 = 1,009,068,436.60 : x
  2. Step 2: Convert to fraction form
    1,299,306,081.40/1,948,959,122.10 = 1,009,068,436.60/x
  3. Step 3: Cross multiply
    1,299,306,081.40x = 1,948,959,122.10 × 1,009,068,436.60
  4. Step 4: Simplify right side
    1,299,306,081.40x = 1,966,633,134,334,755,584
  5. Step 5: Solve for x
    x = 1,966,633,134,334,755,584/1,299,306,081.40
  6. Step 6: Final answer
    x = 1,513,602,654.90

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Double scale
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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.