Home / 456,855,561,340.20-685,283,342,010.30-425,896,879,228.20

Finding the Fourth Proportional to 456,855,561,340.20, 685,283,342,010.30 and 425,896,879,228.20

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Solution

The fourth proportional to 456,855,561,340.20, 685,283,342,010.30 and 425,896,879,228.20 is: 638,845,318,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,855,561,340.20 : 685,283,342,010.30 = 425,896,879,228.20 : x
  2. Step 2: Convert to fraction form
    456,855,561,340.20/685,283,342,010.30 = 425,896,879,228.20/x
  3. Step 3: Cross multiply
    456,855,561,340.20x = 685,283,342,010.30 × 425,896,879,228.20
  4. Step 4: Simplify right side
    456,855,561,340.20x = 291,860,036,749,258,056,007,680
  5. Step 5: Solve for x
    x = 291,860,036,749,258,056,007,680/456,855,561,340.20
  6. Step 6: Final answer
    x = 638,845,318,842.30

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Double scale
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Similar ratio
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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.