Home / 528,409,601.20-792,614,401.80-344,743,591.60

Finding the Fourth Proportional to 528,409,601.20, 792,614,401.80 and 344,743,591.60

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Solution

The fourth proportional to 528,409,601.20, 792,614,401.80 and 344,743,591.60 is: 517,115,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,409,601.20 : 792,614,401.80 = 344,743,591.60 : x
  2. Step 2: Convert to fraction form
    528,409,601.20/792,614,401.80 = 344,743,591.60/x
  3. Step 3: Cross multiply
    528,409,601.20x = 792,614,401.80 × 344,743,591.60
  4. Step 4: Simplify right side
    528,409,601.20x = 273,248,735,630,417,504
  5. Step 5: Solve for x
    x = 273,248,735,630,417,504/528,409,601.20
  6. Step 6: Final answer
    x = 517,115,387.40

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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.