Home / 511,289,613.20-766,934,419.80-354,833,382.80

Finding the Fourth Proportional to 511,289,613.20, 766,934,419.80 and 354,833,382.80

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Solution

The fourth proportional to 511,289,613.20, 766,934,419.80 and 354,833,382.80 is: 532,250,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,289,613.20 : 766,934,419.80 = 354,833,382.80 : x
  2. Step 2: Convert to fraction form
    511,289,613.20/766,934,419.80 = 354,833,382.80/x
  3. Step 3: Cross multiply
    511,289,613.20x = 766,934,419.80 × 354,833,382.80
  4. Step 4: Simplify right side
    511,289,613.20x = 272,133,934,563,389,280
  5. Step 5: Solve for x
    x = 272,133,934,563,389,280/511,289,613.20
  6. Step 6: Final answer
    x = 532,250,074.20

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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.