Home / 660,193,670.70-990,290,506.05-466,483,426.20

Finding the Fourth Proportional to 660,193,670.70, 990,290,506.05 and 466,483,426.20

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Solution

The fourth proportional to 660,193,670.70, 990,290,506.05 and 466,483,426.20 is: 699,725,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,193,670.70 : 990,290,506.05 = 466,483,426.20 : x
  2. Step 2: Convert to fraction form
    660,193,670.70/990,290,506.05 = 466,483,426.20/x
  3. Step 3: Cross multiply
    660,193,670.70x = 990,290,506.05 × 466,483,426.20
  4. Step 4: Simplify right side
    660,193,670.70x = 461,954,108,195,535,808
  5. Step 5: Solve for x
    x = 461,954,108,195,535,808/660,193,670.70
  6. Step 6: Final answer
    x = 699,725,139.30

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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.