Home / 511,069,557.40-766,604,336.10-327,403,547.80

Finding the Fourth Proportional to 511,069,557.40, 766,604,336.10 and 327,403,547.80

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Solution

The fourth proportional to 511,069,557.40, 766,604,336.10 and 327,403,547.80 is: 491,105,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,069,557.40 : 766,604,336.10 = 327,403,547.80 : x
  2. Step 2: Convert to fraction form
    511,069,557.40/766,604,336.10 = 327,403,547.80/x
  3. Step 3: Cross multiply
    511,069,557.40x = 766,604,336.10 × 327,403,547.80
  4. Step 4: Simplify right side
    511,069,557.40x = 250,988,979,398,003,648
  5. Step 5: Solve for x
    x = 250,988,979,398,003,648/511,069,557.40
  6. Step 6: Final answer
    x = 491,105,321.70

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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.