Home / 1,395,872,206,142.90-2,090,876,103,686.40-885,668,351,989.40

Finding the Fourth Proportional to 1,395,872,206,142.90, 2,090,876,103,686.40 and 885,668,351,989.40

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Solution

The fourth proportional to 1,395,872,206,142.90, 2,090,876,103,686.40 and 885,668,351,989.40 is: 1,326,642,069,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,872,206,142.90 : 2,090,876,103,686.40 = 885,668,351,989.40 : x
  2. Step 2: Convert to fraction form
    1,395,872,206,142.90/2,090,876,103,686.40 = 885,668,351,989.40/x
  3. Step 3: Cross multiply
    1,395,872,206,142.90x = 2,090,876,103,686.40 × 885,668,351,989.40
  4. Step 4: Simplify right side
    1,395,872,206,142.90x = 1,851,822,792,965,951,565,332,480
  5. Step 5: Solve for x
    x = 1,851,822,792,965,951,565,332,480/1,395,872,206,142.90
  6. Step 6: Final answer
    x = 1,326,642,069,966.38

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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.