Home / 304,722,435.40-457,083,653.10-212,889,430.60

Finding the Fourth Proportional to 304,722,435.40, 457,083,653.10 and 212,889,430.60

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Solution

The fourth proportional to 304,722,435.40, 457,083,653.10 and 212,889,430.60 is: 319,334,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,722,435.40 : 457,083,653.10 = 212,889,430.60 : x
  2. Step 2: Convert to fraction form
    304,722,435.40/457,083,653.10 = 212,889,430.60/x
  3. Step 3: Cross multiply
    304,722,435.40x = 457,083,653.10 × 212,889,430.60
  4. Step 4: Simplify right side
    304,722,435.40x = 97,308,278,645,026,928
  5. Step 5: Solve for x
    x = 97,308,278,645,026,928/304,722,435.40
  6. Step 6: Final answer
    x = 319,334,145.90

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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.