Home / 1,555,071,003-2,146,042,773.90-859,754,768.76

Finding the Fourth Proportional to 1,555,071,003, 2,146,042,773.90 and 859,754,768.76

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Solution

The fourth proportional to 1,555,071,003, 2,146,042,773.90 and 859,754,768.76 is: 1,186,486,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,071,003 : 2,146,042,773.90 = 859,754,768.76 : x
  2. Step 2: Convert to fraction form
    1,555,071,003/2,146,042,773.90 = 859,754,768.76/x
  3. Step 3: Cross multiply
    1,555,071,003x = 2,146,042,773.90 × 859,754,768.76
  4. Step 4: Simplify right side
    1,555,071,003x = 1,845,070,508,823,463,424
  5. Step 5: Solve for x
    x = 1,845,070,508,823,463,424/1,555,071,003
  6. Step 6: Final answer
    x = 1,186,486,343.88

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1.5x scale

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.