Home / 219,456,869.60-329,185,304.40-199,301,477.60

Finding the Fourth Proportional to 219,456,869.60, 329,185,304.40 and 199,301,477.60

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Solution

The fourth proportional to 219,456,869.60, 329,185,304.40 and 199,301,477.60 is: 298,952,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,456,869.60 : 329,185,304.40 = 199,301,477.60 : x
  2. Step 2: Convert to fraction form
    219,456,869.60/329,185,304.40 = 199,301,477.60/x
  3. Step 3: Cross multiply
    219,456,869.60x = 329,185,304.40 × 199,301,477.60
  4. Step 4: Simplify right side
    219,456,869.60x = 65,607,117,571,125,776
  5. Step 5: Solve for x
    x = 65,607,117,571,125,776/219,456,869.60
  6. Step 6: Final answer
    x = 298,952,216.40

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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.