Home / 420,613,375,647.84-630,924,910,184.52-152,022,754,125.60

Finding the Fourth Proportional to 420,613,375,647.84, 630,924,910,184.52 and 152,022,754,125.60

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Solution

The fourth proportional to 420,613,375,647.84, 630,924,910,184.52 and 152,022,754,125.60 is: 228,035,882,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,613,375,647.84 : 630,924,910,184.52 = 152,022,754,125.60 : x
  2. Step 2: Convert to fraction form
    420,613,375,647.84/630,924,910,184.52 = 152,022,754,125.60/x
  3. Step 3: Cross multiply
    420,613,375,647.84x = 630,924,910,184.52 × 152,022,754,125.60
  4. Step 4: Simplify right side
    420,613,375,647.84x = 95,914,942,492,697,562,185,728
  5. Step 5: Solve for x
    x = 95,914,942,492,697,562,185,728/420,613,375,647.84
  6. Step 6: Final answer
    x = 228,035,882,941.11

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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.