Home / 415,367,354.16-623,052,086.60-169,723,989.50

Finding the Fourth Proportional to 415,367,354.16, 623,052,086.60 and 169,723,989.50

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Solution

The fourth proportional to 415,367,354.16, 623,052,086.60 and 169,723,989.50 is: 254,586,415.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,367,354.16 : 623,052,086.60 = 169,723,989.50 : x
  2. Step 2: Convert to fraction form
    415,367,354.16/623,052,086.60 = 169,723,989.50/x
  3. Step 3: Cross multiply
    415,367,354.16x = 623,052,086.60 × 169,723,989.50
  4. Step 4: Simplify right side
    415,367,354.16x = 105,746,885,801,360,544
  5. Step 5: Solve for x
    x = 105,746,885,801,360,544/415,367,354.16
  6. Step 6: Final answer
    x = 254,586,415.48

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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.