Home / 407,253,402.30-610,880,103.45-148,477,064.70

Finding the Fourth Proportional to 407,253,402.30, 610,880,103.45 and 148,477,064.70

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Solution

The fourth proportional to 407,253,402.30, 610,880,103.45 and 148,477,064.70 is: 222,715,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,253,402.30 : 610,880,103.45 = 148,477,064.70 : x
  2. Step 2: Convert to fraction form
    407,253,402.30/610,880,103.45 = 148,477,064.70/x
  3. Step 3: Cross multiply
    407,253,402.30x = 610,880,103.45 × 148,477,064.70
  4. Step 4: Simplify right side
    407,253,402.30x = 90,701,684,643,888,336
  5. Step 5: Solve for x
    x = 90,701,684,643,888,336/407,253,402.30
  6. Step 6: Final answer
    x = 222,715,597.05

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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.