Home / 523,347,798.61-722,210,608.83-285,195,052.05

Finding the Fourth Proportional to 523,347,798.61, 722,210,608.83 and 285,195,052.05

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Solution

The fourth proportional to 523,347,798.61, 722,210,608.83 and 285,195,052.05 is: 393,564,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,347,798.61 : 722,210,608.83 = 285,195,052.05 : x
  2. Step 2: Convert to fraction form
    523,347,798.61/722,210,608.83 = 285,195,052.05/x
  3. Step 3: Cross multiply
    523,347,798.61x = 722,210,608.83 × 285,195,052.05
  4. Step 4: Simplify right side
    523,347,798.61x = 205,970,892,176,334,048
  5. Step 5: Solve for x
    x = 205,970,892,176,334,048/523,347,798.61
  6. Step 6: Final answer
    x = 393,564,074.83

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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.