Home / 442,904,607.10-664,356,910.65-417,395,439.10

Finding the Fourth Proportional to 442,904,607.10, 664,356,910.65 and 417,395,439.10

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Solution

The fourth proportional to 442,904,607.10, 664,356,910.65 and 417,395,439.10 is: 626,093,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,904,607.10 : 664,356,910.65 = 417,395,439.10 : x
  2. Step 2: Convert to fraction form
    442,904,607.10/664,356,910.65 = 417,395,439.10/x
  3. Step 3: Cross multiply
    442,904,607.10x = 664,356,910.65 × 417,395,439.10
  4. Step 4: Simplify right side
    442,904,607.10x = 277,299,544,439,876,224
  5. Step 5: Solve for x
    x = 277,299,544,439,876,224/442,904,607.10
  6. Step 6: Final answer
    x = 626,093,158.65

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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.