Home / 729,898,126.80-1,094,966,600.40-238,468,729.20

Finding the Fourth Proportional to 729,898,126.80, 1,094,966,600.40 and 238,468,729.20

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Solution

The fourth proportional to 729,898,126.80, 1,094,966,600.40 and 238,468,729.20 is: 357,742,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,898,126.80 : 1,094,966,600.40 = 238,468,729.20 : x
  2. Step 2: Convert to fraction form
    729,898,126.80/1,094,966,600.40 = 238,468,729.20/x
  3. Step 3: Cross multiply
    729,898,126.80x = 1,094,966,600.40 × 238,468,729.20
  4. Step 4: Simplify right side
    729,898,126.80x = 261,115,293,713,832,224
  5. Step 5: Solve for x
    x = 261,115,293,713,832,224/729,898,126.80
  6. Step 6: Final answer
    x = 357,742,106.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.