Home / 354,304,383.60-531,456,575.40-208,588,364.40

Finding the Fourth Proportional to 354,304,383.60, 531,456,575.40 and 208,588,364.40

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Solution

The fourth proportional to 354,304,383.60, 531,456,575.40 and 208,588,364.40 is: 312,882,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,304,383.60 : 531,456,575.40 = 208,588,364.40 : x
  2. Step 2: Convert to fraction form
    354,304,383.60/531,456,575.40 = 208,588,364.40/x
  3. Step 3: Cross multiply
    354,304,383.60x = 531,456,575.40 × 208,588,364.40
  4. Step 4: Simplify right side
    354,304,383.60x = 110,855,657,812,311,280
  5. Step 5: Solve for x
    x = 110,855,657,812,311,280/354,304,383.60
  6. Step 6: Final answer
    x = 312,882,546.60

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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.