Home / 287,575,269.60-431,362,904.40-219,550,821.60

Finding the Fourth Proportional to 287,575,269.60, 431,362,904.40 and 219,550,821.60

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Solution

The fourth proportional to 287,575,269.60, 431,362,904.40 and 219,550,821.60 is: 329,326,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,575,269.60 : 431,362,904.40 = 219,550,821.60 : x
  2. Step 2: Convert to fraction form
    287,575,269.60/431,362,904.40 = 219,550,821.60/x
  3. Step 3: Cross multiply
    287,575,269.60x = 431,362,904.40 × 219,550,821.60
  4. Step 4: Simplify right side
    287,575,269.60x = 94,706,080,068,782,240
  5. Step 5: Solve for x
    x = 94,706,080,068,782,240/287,575,269.60
  6. Step 6: Final answer
    x = 329,326,232.40

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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.