Home / 490,162,079.40-735,243,119.10-179,269,094.40

Finding the Fourth Proportional to 490,162,079.40, 735,243,119.10 and 179,269,094.40

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Solution

The fourth proportional to 490,162,079.40, 735,243,119.10 and 179,269,094.40 is: 268,903,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,162,079.40 : 735,243,119.10 = 179,269,094.40 : x
  2. Step 2: Convert to fraction form
    490,162,079.40/735,243,119.10 = 179,269,094.40/x
  3. Step 3: Cross multiply
    490,162,079.40x = 735,243,119.10 × 179,269,094.40
  4. Step 4: Simplify right side
    490,162,079.40x = 131,806,368,124,888,352
  5. Step 5: Solve for x
    x = 131,806,368,124,888,352/490,162,079.40
  6. Step 6: Final answer
    x = 268,903,641.60

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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.