Home / 511,287,618.30-766,931,427.45-511,287,618.30

Finding the Fourth Proportional to 511,287,618.30, 766,931,427.45 and 511,287,618.30

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Solution

The fourth proportional to 511,287,618.30, 766,931,427.45 and 511,287,618.30 is: 766,931,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,287,618.30 : 766,931,427.45 = 511,287,618.30 : x
  2. Step 2: Convert to fraction form
    511,287,618.30/766,931,427.45 = 511,287,618.30/x
  3. Step 3: Cross multiply
    511,287,618.30x = 766,931,427.45 × 511,287,618.30
  4. Step 4: Simplify right side
    511,287,618.30x = 392,122,542,940,329,792
  5. Step 5: Solve for x
    x = 392,122,542,940,329,792/511,287,618.30
  6. Step 6: Final answer
    x = 766,931,427.45

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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.