Home / 667,529,908.40-1,001,294,862.60-437,632,468.40

Finding the Fourth Proportional to 667,529,908.40, 1,001,294,862.60 and 437,632,468.40

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Solution

The fourth proportional to 667,529,908.40, 1,001,294,862.60 and 437,632,468.40 is: 656,448,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,529,908.40 : 1,001,294,862.60 = 437,632,468.40 : x
  2. Step 2: Convert to fraction form
    667,529,908.40/1,001,294,862.60 = 437,632,468.40/x
  3. Step 3: Cross multiply
    667,529,908.40x = 1,001,294,862.60 × 437,632,468.40
  4. Step 4: Simplify right side
    667,529,908.40x = 438,199,142,315,876,800
  5. Step 5: Solve for x
    x = 438,199,142,315,876,800/667,529,908.40
  6. Step 6: Final answer
    x = 656,448,702.60

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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.