Home / 791,615,353.86-1,092,408,389.21-434,382,033.05

Finding the Fourth Proportional to 791,615,353.86, 1,092,408,389.21 and 434,382,033.05

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Solution

The fourth proportional to 791,615,353.86, 1,092,408,389.21 and 434,382,033.05 is: 599,435,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,615,353.86 : 1,092,408,389.21 = 434,382,033.05 : x
  2. Step 2: Convert to fraction form
    791,615,353.86/1,092,408,389.21 = 434,382,033.05/x
  3. Step 3: Cross multiply
    791,615,353.86x = 1,092,408,389.21 × 434,382,033.05
  4. Step 4: Simplify right side
    791,615,353.86x = 474,522,577,023,203,328
  5. Step 5: Solve for x
    x = 474,522,577,023,203,328/791,615,353.86
  6. Step 6: Final answer
    x = 599,435,792.53

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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.