Home / 785,143,408.61-1,177,727,319.46-232,501,732.45

Finding the Fourth Proportional to 785,143,408.61, 1,177,727,319.46 and 232,501,732.45

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Solution

The fourth proportional to 785,143,408.61, 1,177,727,319.46 and 232,501,732.45 is: 348,756,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,143,408.61 : 1,177,727,319.46 = 232,501,732.45 : x
  2. Step 2: Convert to fraction form
    785,143,408.61/1,177,727,319.46 = 232,501,732.45/x
  3. Step 3: Cross multiply
    785,143,408.61x = 1,177,727,319.46 × 232,501,732.45
  4. Step 4: Simplify right side
    785,143,408.61x = 273,823,642,128,144,608
  5. Step 5: Solve for x
    x = 273,823,642,128,144,608/785,143,408.61
  6. Step 6: Final answer
    x = 348,756,213.36

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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.