Home / 510,958,411.12-766,426,617.30-142,483,553.20

Finding the Fourth Proportional to 510,958,411.12, 766,426,617.30 and 142,483,553.20

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Solution

The fourth proportional to 510,958,411.12, 766,426,617.30 and 142,483,553.20 is: 213,722,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,958,411.12 : 766,426,617.30 = 142,483,553.20 : x
  2. Step 2: Convert to fraction form
    510,958,411.12/766,426,617.30 = 142,483,553.20/x
  3. Step 3: Cross multiply
    510,958,411.12x = 766,426,617.30 × 142,483,553.20
  4. Step 4: Simplify right side
    510,958,411.12x = 109,203,187,699,960,576
  5. Step 5: Solve for x
    x = 109,203,187,699,960,576/510,958,411.12
  6. Step 6: Final answer
    x = 213,722,262.56

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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.