Home / 479,528,871.30-718,852,407.75-172,745,959.14

Finding the Fourth Proportional to 479,528,871.30, 718,852,407.75 and 172,745,959.14

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Solution

The fourth proportional to 479,528,871.30, 718,852,407.75 and 172,745,959.14 is: 258,960,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,528,871.30 : 718,852,407.75 = 172,745,959.14 : x
  2. Step 2: Convert to fraction form
    479,528,871.30/718,852,407.75 = 172,745,959.14/x
  3. Step 3: Cross multiply
    479,528,871.30x = 718,852,407.75 × 172,745,959.14
  4. Step 4: Simplify right side
    479,528,871.30x = 124,178,848,656,872,112
  5. Step 5: Solve for x
    x = 124,178,848,656,872,112/479,528,871.30
  6. Step 6: Final answer
    x = 258,960,108.74

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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.