Home / 420,613,375,616.84-630,924,910,138.04-152,022,754,094.60

Finding the Fourth Proportional to 420,613,375,616.84, 630,924,910,138.04 and 152,022,754,094.60

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Solution

The fourth proportional to 420,613,375,616.84, 630,924,910,138.04 and 152,022,754,094.60 is: 228,035,882,894.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,613,375,616.84 : 630,924,910,138.04 = 152,022,754,094.60 : x
  2. Step 2: Convert to fraction form
    420,613,375,616.84/630,924,910,138.04 = 152,022,754,094.60/x
  3. Step 3: Cross multiply
    420,613,375,616.84x = 630,924,910,138.04 × 152,022,754,094.60
  4. Step 4: Simplify right side
    420,613,375,616.84x = 95,914,942,466,072,875,368,448
  5. Step 5: Solve for x
    x = 95,914,942,466,072,875,368,448/420,613,375,616.84
  6. Step 6: Final answer
    x = 228,035,882,894.62

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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.