Home / 342,177,319.60-513,265,979.40-322,021,927.60

Finding the Fourth Proportional to 342,177,319.60, 513,265,979.40 and 322,021,927.60

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Solution

The fourth proportional to 342,177,319.60, 513,265,979.40 and 322,021,927.60 is: 483,032,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,177,319.60 : 513,265,979.40 = 322,021,927.60 : x
  2. Step 2: Convert to fraction form
    342,177,319.60/513,265,979.40 = 322,021,927.60/x
  3. Step 3: Cross multiply
    342,177,319.60x = 513,265,979.40 × 322,021,927.60
  4. Step 4: Simplify right side
    342,177,319.60x = 165,282,900,057,889,888
  5. Step 5: Solve for x
    x = 165,282,900,057,889,888/342,177,319.60
  6. Step 6: Final answer
    x = 483,032,891.40

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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.