Home / 1,243,199,496.60-1,865,471,091.30-553,213,243.80

Finding the Fourth Proportional to 1,243,199,496.60, 1,865,471,091.30 and 553,213,243.80

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Solution

The fourth proportional to 1,243,199,496.60, 1,865,471,091.30 and 553,213,243.80 is: 830,118,831.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,199,496.60 : 1,865,471,091.30 = 553,213,243.80 : x
  2. Step 2: Convert to fraction form
    1,243,199,496.60/1,865,471,091.30 = 553,213,243.80/x
  3. Step 3: Cross multiply
    1,243,199,496.60x = 1,865,471,091.30 × 553,213,243.80
  4. Step 4: Simplify right side
    1,243,199,496.60x = 1,032,003,313,633,198,848
  5. Step 5: Solve for x
    x = 1,032,003,313,633,198,848/1,243,199,496.60
  6. Step 6: Final answer
    x = 830,118,831.66

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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.