Home / 400,423,498.86-600,415,805.37-123,997,970.94

Finding the Fourth Proportional to 400,423,498.86, 600,415,805.37 and 123,997,970.94

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Solution

The fourth proportional to 400,423,498.86, 600,415,805.37 and 123,997,970.94 is: 185,929,002.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,423,498.86 : 600,415,805.37 = 123,997,970.94 : x
  2. Step 2: Convert to fraction form
    400,423,498.86/600,415,805.37 = 123,997,970.94/x
  3. Step 3: Cross multiply
    400,423,498.86x = 600,415,805.37 × 123,997,970.94
  4. Step 4: Simplify right side
    400,423,498.86x = 74,450,341,586,185,952
  5. Step 5: Solve for x
    x = 74,450,341,586,185,952/400,423,498.86
  6. Step 6: Final answer
    x = 185,929,002.16

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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.