Home / 303,371,335.20-455,057,002.80-300,348,026.40

Finding the Fourth Proportional to 303,371,335.20, 455,057,002.80 and 300,348,026.40

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Solution

The fourth proportional to 303,371,335.20, 455,057,002.80 and 300,348,026.40 is: 450,522,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,371,335.20 : 455,057,002.80 = 300,348,026.40 : x
  2. Step 2: Convert to fraction form
    303,371,335.20/455,057,002.80 = 300,348,026.40/x
  3. Step 3: Cross multiply
    303,371,335.20x = 455,057,002.80 × 300,348,026.40
  4. Step 4: Simplify right side
    303,371,335.20x = 136,675,472,690,479,264
  5. Step 5: Solve for x
    x = 136,675,472,690,479,264/303,371,335.20
  6. Step 6: Final answer
    x = 450,522,039.60

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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.