Home / 1,821,792,681.90-2,512,194,892.83-1,558,346,830.38

Finding the Fourth Proportional to 1,821,792,681.90, 2,512,194,892.83 and 1,558,346,830.38

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Solution

The fourth proportional to 1,821,792,681.90, 2,512,194,892.83 and 1,558,346,830.38 is: 2,148,911,337.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,792,681.90 : 2,512,194,892.83 = 1,558,346,830.38 : x
  2. Step 2: Convert to fraction form
    1,821,792,681.90/2,512,194,892.83 = 1,558,346,830.38/x
  3. Step 3: Cross multiply
    1,821,792,681.90x = 2,512,194,892.83 × 1,558,346,830.38
  4. Step 4: Simplify right side
    1,821,792,681.90x = 3,914,870,948,538,454,528
  5. Step 5: Solve for x
    x = 3,914,870,948,538,454,528/1,821,792,681.90
  6. Step 6: Final answer
    x = 2,148,911,337.41

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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.