Home / 511,069,547.40-766,604,321.10-327,403,537.80

Finding the Fourth Proportional to 511,069,547.40, 766,604,321.10 and 327,403,537.80

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Solution

The fourth proportional to 511,069,547.40, 766,604,321.10 and 327,403,537.80 is: 491,105,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,069,547.40 : 766,604,321.10 = 327,403,537.80 : x
  2. Step 2: Convert to fraction form
    511,069,547.40/766,604,321.10 = 327,403,537.80/x
  3. Step 3: Cross multiply
    511,069,547.40x = 766,604,321.10 × 327,403,537.80
  4. Step 4: Simplify right side
    511,069,547.40x = 250,988,966,820,907,200
  5. Step 5: Solve for x
    x = 250,988,966,820,907,200/511,069,547.40
  6. Step 6: Final answer
    x = 491,105,306.70

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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.