Home / 456,855,561,338.20-685,283,342,007.30-425,896,879,226.20

Finding the Fourth Proportional to 456,855,561,338.20, 685,283,342,007.30 and 425,896,879,226.20

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Solution

The fourth proportional to 456,855,561,338.20, 685,283,342,007.30 and 425,896,879,226.20 is: 638,845,318,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,855,561,338.20 : 685,283,342,007.30 = 425,896,879,226.20 : x
  2. Step 2: Convert to fraction form
    456,855,561,338.20/685,283,342,007.30 = 425,896,879,226.20/x
  3. Step 3: Cross multiply
    456,855,561,338.20x = 685,283,342,007.30 × 425,896,879,226.20
  4. Step 4: Simplify right side
    456,855,561,338.20x = 291,860,036,746,609,772,462,080
  5. Step 5: Solve for x
    x = 291,860,036,746,609,772,462,080/456,855,561,338.20
  6. Step 6: Final answer
    x = 638,845,318,839.30

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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.