Home / 1,251,443,908.02-1,726,207,046.67-742,446,259.37

Finding the Fourth Proportional to 1,251,443,908.02, 1,726,207,046.67 and 742,446,259.37

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Solution

The fourth proportional to 1,251,443,908.02, 1,726,207,046.67 and 742,446,259.37 is: 1,024,109,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,443,908.02 : 1,726,207,046.67 = 742,446,259.37 : x
  2. Step 2: Convert to fraction form
    1,251,443,908.02/1,726,207,046.67 = 742,446,259.37/x
  3. Step 3: Cross multiply
    1,251,443,908.02x = 1,726,207,046.67 × 742,446,259.37
  4. Step 4: Simplify right side
    1,251,443,908.02x = 1,281,615,964,699,320,832
  5. Step 5: Solve for x
    x = 1,281,615,964,699,320,832/1,251,443,908.02
  6. Step 6: Final answer
    x = 1,024,109,795.48

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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.