Home / 487,221,729.60-730,832,594.40-293,511,485.10

Finding the Fourth Proportional to 487,221,729.60, 730,832,594.40 and 293,511,485.10

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Solution

The fourth proportional to 487,221,729.60, 730,832,594.40 and 293,511,485.10 is: 440,267,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,221,729.60 : 730,832,594.40 = 293,511,485.10 : x
  2. Step 2: Convert to fraction form
    487,221,729.60/730,832,594.40 = 293,511,485.10/x
  3. Step 3: Cross multiply
    487,221,729.60x = 730,832,594.40 × 293,511,485.10
  4. Step 4: Simplify right side
    487,221,729.60x = 214,507,760,141,829,952
  5. Step 5: Solve for x
    x = 214,507,760,141,829,952/487,221,729.60
  6. Step 6: Final answer
    x = 440,267,227.65

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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.