Home / 729,742,952.56-1,094,801,012.56-212,173,390.88

Finding the Fourth Proportional to 729,742,952.56, 1,094,801,012.56 and 212,173,390.88

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Solution

The fourth proportional to 729,742,952.56, 1,094,801,012.56 and 212,173,390.88 is: 318,314,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,742,952.56 : 1,094,801,012.56 = 212,173,390.88 : x
  2. Step 2: Convert to fraction form
    729,742,952.56/1,094,801,012.56 = 212,173,390.88/x
  3. Step 3: Cross multiply
    729,742,952.56x = 1,094,801,012.56 × 212,173,390.88
  4. Step 4: Simplify right side
    729,742,952.56x = 232,287,643,173,712,640
  5. Step 5: Solve for x
    x = 232,287,643,173,712,640/729,742,952.56
  6. Step 6: Final answer
    x = 318,314,335.70

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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.