Home / 1,579,594,979.80-2,179,909,593.66-874,746,961.30

Finding the Fourth Proportional to 1,579,594,979.80, 2,179,909,593.66 and 874,746,961.30

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Solution

The fourth proportional to 1,579,594,979.80, 2,179,909,593.66 and 874,746,961.30 is: 1,207,188,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,594,979.80 : 2,179,909,593.66 = 874,746,961.30 : x
  2. Step 2: Convert to fraction form
    1,579,594,979.80/2,179,909,593.66 = 874,746,961.30/x
  3. Step 3: Cross multiply
    1,579,594,979.80x = 2,179,909,593.66 × 874,746,961.30
  4. Step 4: Simplify right side
    1,579,594,979.80x = 1,906,869,292,962,802,432
  5. Step 5: Solve for x
    x = 1,906,869,292,962,802,432/1,579,594,979.80
  6. Step 6: Final answer
    x = 1,207,188,752.40

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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.