Home / 1,081,737,851.12-1,492,832,026.32-611,829,976.96

Finding the Fourth Proportional to 1,081,737,851.12, 1,492,832,026.32 and 611,829,976.96

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Solution

The fourth proportional to 1,081,737,851.12, 1,492,832,026.32 and 611,829,976.96 is: 844,344,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,737,851.12 : 1,492,832,026.32 = 611,829,976.96 : x
  2. Step 2: Convert to fraction form
    1,081,737,851.12/1,492,832,026.32 = 611,829,976.96/x
  3. Step 3: Cross multiply
    1,081,737,851.12x = 1,492,832,026.32 × 611,829,976.96
  4. Step 4: Simplify right side
    1,081,737,851.12x = 913,359,384,268,515,712
  5. Step 5: Solve for x
    x = 913,359,384,268,515,712/1,081,737,851.12
  6. Step 6: Final answer
    x = 844,344,480.80

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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.