Home / 589,642,021-813,703,699.38-325,340,463.88

Finding the Fourth Proportional to 589,642,021, 813,703,699.38 and 325,340,463.88

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Solution

The fourth proportional to 589,642,021, 813,703,699.38 and 325,340,463.88 is: 448,968,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,642,021 : 813,703,699.38 = 325,340,463.88 : x
  2. Step 2: Convert to fraction form
    589,642,021/813,703,699.38 = 325,340,463.88/x
  3. Step 3: Cross multiply
    589,642,021x = 813,703,699.38 × 325,340,463.88
  4. Step 4: Simplify right side
    589,642,021x = 264,730,739,017,161,248
  5. Step 5: Solve for x
    x = 264,730,739,017,161,248/589,642,021
  6. Step 6: Final answer
    x = 448,968,576.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.