Home / 668,629,501.72-998,441,840.90-546,051,158.86

Finding the Fourth Proportional to 668,629,501.72, 998,441,840.90 and 546,051,158.86

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Solution

The fourth proportional to 668,629,501.72, 998,441,840.90 and 546,051,158.86 is: 815,399,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,629,501.72 : 998,441,840.90 = 546,051,158.86 : x
  2. Step 2: Convert to fraction form
    668,629,501.72/998,441,840.90 = 546,051,158.86/x
  3. Step 3: Cross multiply
    668,629,501.72x = 998,441,840.90 × 546,051,158.86
  4. Step 4: Simplify right side
    668,629,501.72x = 545,200,324,277,756,736
  5. Step 5: Solve for x
    x = 545,200,324,277,756,736/668,629,501.72
  6. Step 6: Final answer
    x = 815,399,743.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.