Home / 354,641,132.40-532,297,621.80-218,592,236.40

Finding the Fourth Proportional to 354,641,132.40, 532,297,621.80 and 218,592,236.40

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Solution

The fourth proportional to 354,641,132.40, 532,297,621.80 and 218,592,236.40 is: 328,095,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,641,132.40 : 532,297,621.80 = 218,592,236.40 : x
  2. Step 2: Convert to fraction form
    354,641,132.40/532,297,621.80 = 218,592,236.40/x
  3. Step 3: Cross multiply
    354,641,132.40x = 532,297,621.80 × 218,592,236.40
  4. Step 4: Simplify right side
    354,641,132.40x = 116,356,127,579,663,392
  5. Step 5: Solve for x
    x = 116,356,127,579,663,392/354,641,132.40
  6. Step 6: Final answer
    x = 328,095,409.55

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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.