Home / 1,299,307,317.40-1,948,960,976.10-1,009,069,672.60

Finding the Fourth Proportional to 1,299,307,317.40, 1,948,960,976.10 and 1,009,069,672.60

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Solution

The fourth proportional to 1,299,307,317.40, 1,948,960,976.10 and 1,009,069,672.60 is: 1,513,604,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,307,317.40 : 1,948,960,976.10 = 1,009,069,672.60 : x
  2. Step 2: Convert to fraction form
    1,299,307,317.40/1,948,960,976.10 = 1,009,069,672.60/x
  3. Step 3: Cross multiply
    1,299,307,317.40x = 1,948,960,976.10 × 1,009,069,672.60
  4. Step 4: Simplify right side
    1,299,307,317.40x = 1,966,637,414,063,403,264
  5. Step 5: Solve for x
    x = 1,966,637,414,063,403,264/1,299,307,317.40
  6. Step 6: Final answer
    x = 1,513,604,508.90

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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.