Home / 479,289,341.46-718,974,903.63-168,369,784.41

Finding the Fourth Proportional to 479,289,341.46, 718,974,903.63 and 168,369,784.41

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Solution

The fourth proportional to 479,289,341.46, 718,974,903.63 and 168,369,784.41 is: 252,569,041.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,289,341.46 : 718,974,903.63 = 168,369,784.41 : x
  2. Step 2: Convert to fraction form
    479,289,341.46/718,974,903.63 = 168,369,784.41/x
  3. Step 3: Cross multiply
    479,289,341.46x = 718,974,903.63 × 168,369,784.41
  4. Step 4: Simplify right side
    479,289,341.46x = 121,053,649,522,770,432
  5. Step 5: Solve for x
    x = 121,053,649,522,770,432/479,289,341.46
  6. Step 6: Final answer
    x = 252,569,041.39

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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.