Home / 287,011,569.60-430,517,354.40-201,015,230.40

Finding the Fourth Proportional to 287,011,569.60, 430,517,354.40 and 201,015,230.40

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Solution

The fourth proportional to 287,011,569.60, 430,517,354.40 and 201,015,230.40 is: 301,522,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,011,569.60 : 430,517,354.40 = 201,015,230.40 : x
  2. Step 2: Convert to fraction form
    287,011,569.60/430,517,354.40 = 201,015,230.40/x
  3. Step 3: Cross multiply
    287,011,569.60x = 430,517,354.40 × 201,015,230.40
  4. Step 4: Simplify right side
    287,011,569.60x = 86,540,545,185,914,448
  5. Step 5: Solve for x
    x = 86,540,545,185,914,448/287,011,569.60
  6. Step 6: Final answer
    x = 301,522,845.60

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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.