Home / 505,568,991,466.55-697,737,209,018.65-307,601,569,984.86

Finding the Fourth Proportional to 505,568,991,466.55, 697,737,209,018.65 and 307,601,569,984.86

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Solution

The fourth proportional to 505,568,991,466.55, 697,737,209,018.65 and 307,601,569,984.86 is: 424,521,805,240.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,568,991,466.55 : 697,737,209,018.65 = 307,601,569,984.86 : x
  2. Step 2: Convert to fraction form
    505,568,991,466.55/697,737,209,018.65 = 307,601,569,984.86/x
  3. Step 3: Cross multiply
    505,568,991,466.55x = 697,737,209,018.65 × 307,601,569,984.86
  4. Step 4: Simplify right side
    505,568,991,466.55x = 214,625,060,930,991,146,663,936
  5. Step 5: Solve for x
    x = 214,625,060,930,991,146,663,936/505,568,991,466.55
  6. Step 6: Final answer
    x = 424,521,805,240.49

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Double scale
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1.5x scale

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.