Home / 1,442,127,663-1,990,220,085.27-807,042,784.14

Finding the Fourth Proportional to 1,442,127,663, 1,990,220,085.27 and 807,042,784.14

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Solution

The fourth proportional to 1,442,127,663, 1,990,220,085.27 and 807,042,784.14 is: 1,113,765,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,127,663 : 1,990,220,085.27 = 807,042,784.14 : x
  2. Step 2: Convert to fraction form
    1,442,127,663/1,990,220,085.27 = 807,042,784.14/x
  3. Step 3: Cross multiply
    1,442,127,663x = 1,990,220,085.27 × 807,042,784.14
  4. Step 4: Simplify right side
    1,442,127,663x = 1,606,192,758,667,649,024
  5. Step 5: Solve for x
    x = 1,606,192,758,667,649,024/1,442,127,663
  6. Step 6: Final answer
    x = 1,113,765,999.97

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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.