Home / 511,289,623.20-766,934,434.80-354,833,392.80

Finding the Fourth Proportional to 511,289,623.20, 766,934,434.80 and 354,833,392.80

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Solution

The fourth proportional to 511,289,623.20, 766,934,434.80 and 354,833,392.80 is: 532,250,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,289,623.20 : 766,934,434.80 = 354,833,392.80 : x
  2. Step 2: Convert to fraction form
    511,289,623.20/766,934,434.80 = 354,833,392.80/x
  3. Step 3: Cross multiply
    511,289,623.20x = 766,934,434.80 × 354,833,392.80
  4. Step 4: Simplify right side
    511,289,623.20x = 272,133,947,555,234,368
  5. Step 5: Solve for x
    x = 272,133,947,555,234,368/511,289,623.20
  6. Step 6: Final answer
    x = 532,250,089.20

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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.