Home / 1,241,876,331.71-1,713,809,543.16-677,361,070.40

Finding the Fourth Proportional to 1,241,876,331.71, 1,713,809,543.16 and 677,361,070.40

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Solution

The fourth proportional to 1,241,876,331.71, 1,713,809,543.16 and 677,361,070.40 is: 934,769,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,876,331.71 : 1,713,809,543.16 = 677,361,070.40 : x
  2. Step 2: Convert to fraction form
    1,241,876,331.71/1,713,809,543.16 = 677,361,070.40/x
  3. Step 3: Cross multiply
    1,241,876,331.71x = 1,713,809,543.16 × 677,361,070.40
  4. Step 4: Simplify right side
    1,241,876,331.71x = 1,160,867,866,616,435,968
  5. Step 5: Solve for x
    x = 1,160,867,866,616,435,968/1,241,876,331.71
  6. Step 6: Final answer
    x = 934,769,297.85

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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.