Home / 287,334,097.20-431,001,145.80-195,501,092.40

Finding the Fourth Proportional to 287,334,097.20, 431,001,145.80 and 195,501,092.40

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Solution

The fourth proportional to 287,334,097.20, 431,001,145.80 and 195,501,092.40 is: 293,251,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,334,097.20 : 431,001,145.80 = 195,501,092.40 : x
  2. Step 2: Convert to fraction form
    287,334,097.20/431,001,145.80 = 195,501,092.40/x
  3. Step 3: Cross multiply
    287,334,097.20x = 431,001,145.80 × 195,501,092.40
  4. Step 4: Simplify right side
    287,334,097.20x = 84,261,194,829,551,680
  5. Step 5: Solve for x
    x = 84,261,194,829,551,680/287,334,097.20
  6. Step 6: Final answer
    x = 293,251,638.60

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1.5x scale

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.