Home / 456,855,561,339.20-685,283,342,008.80-425,896,879,227.20

Finding the Fourth Proportional to 456,855,561,339.20, 685,283,342,008.80 and 425,896,879,227.20

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Solution

The fourth proportional to 456,855,561,339.20, 685,283,342,008.80 and 425,896,879,227.20 is: 638,845,318,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,855,561,339.20 : 685,283,342,008.80 = 425,896,879,227.20 : x
  2. Step 2: Convert to fraction form
    456,855,561,339.20/685,283,342,008.80 = 425,896,879,227.20/x
  3. Step 3: Cross multiply
    456,855,561,339.20x = 685,283,342,008.80 × 425,896,879,227.20
  4. Step 4: Simplify right side
    456,855,561,339.20x = 291,860,036,747,933,931,012,096
  5. Step 5: Solve for x
    x = 291,860,036,747,933,931,012,096/456,855,561,339.20
  6. Step 6: Final answer
    x = 638,845,318,840.80

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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.