Home / 511,289,614.20-766,934,421.30-354,833,383.80

Finding the Fourth Proportional to 511,289,614.20, 766,934,421.30 and 354,833,383.80

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Solution

The fourth proportional to 511,289,614.20, 766,934,421.30 and 354,833,383.80 is: 532,250,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,289,614.20 : 766,934,421.30 = 354,833,383.80 : x
  2. Step 2: Convert to fraction form
    511,289,614.20/766,934,421.30 = 354,833,383.80/x
  3. Step 3: Cross multiply
    511,289,614.20x = 766,934,421.30 × 354,833,383.80
  4. Step 4: Simplify right side
    511,289,614.20x = 272,133,935,862,573,792
  5. Step 5: Solve for x
    x = 272,133,935,862,573,792/511,289,614.20
  6. Step 6: Final answer
    x = 532,250,075.70

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1.5x scale

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.