Home / 1,555,071,001.50-2,146,042,771.83-859,754,767.26

Finding the Fourth Proportional to 1,555,071,001.50, 2,146,042,771.83 and 859,754,767.26

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Solution

The fourth proportional to 1,555,071,001.50, 2,146,042,771.83 and 859,754,767.26 is: 1,186,486,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,071,001.50 : 2,146,042,771.83 = 859,754,767.26 : x
  2. Step 2: Convert to fraction form
    1,555,071,001.50/2,146,042,771.83 = 859,754,767.26/x
  3. Step 3: Cross multiply
    1,555,071,001.50x = 2,146,042,771.83 × 859,754,767.26
  4. Step 4: Simplify right side
    1,555,071,001.50x = 1,845,070,503,824,706,816
  5. Step 5: Solve for x
    x = 1,845,070,503,824,706,816/1,555,071,001.50
  6. Step 6: Final answer
    x = 1,186,486,341.81

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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.