Home / 1,821,632,938.48-2,513,822,971.80-986,250,726.64

Finding the Fourth Proportional to 1,821,632,938.48, 2,513,822,971.80 and 986,250,726.64

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Solution

The fourth proportional to 1,821,632,938.48, 2,513,822,971.80 and 986,250,726.64 is: 1,361,009,498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,632,938.48 : 2,513,822,971.80 = 986,250,726.64 : x
  2. Step 2: Convert to fraction form
    1,821,632,938.48/2,513,822,971.80 = 986,250,726.64/x
  3. Step 3: Cross multiply
    1,821,632,938.48x = 2,513,822,971.80 × 986,250,726.64
  4. Step 4: Simplify right side
    1,821,632,938.48x = 2,479,259,732,582,074,368
  5. Step 5: Solve for x
    x = 2,479,259,732,582,074,368/1,821,632,938.48
  6. Step 6: Final answer
    x = 1,361,009,498.79

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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.