Home / 529,630,981.85-730,991,943.06-350,699,270.78

Finding the Fourth Proportional to 529,630,981.85, 730,991,943.06 and 350,699,270.78

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Solution

The fourth proportional to 529,630,981.85, 730,991,943.06 and 350,699,270.78 is: 484,031,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,630,981.85 : 730,991,943.06 = 350,699,270.78 : x
  2. Step 2: Convert to fraction form
    529,630,981.85/730,991,943.06 = 350,699,270.78/x
  3. Step 3: Cross multiply
    529,630,981.85x = 730,991,943.06 × 350,699,270.78
  4. Step 4: Simplify right side
    529,630,981.85x = 256,358,341,376,557,856
  5. Step 5: Solve for x
    x = 256,358,341,376,557,856/529,630,981.85
  6. Step 6: Final answer
    x = 484,031,996.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.