Home / 507,177,389.52-760,861,657.02-192,137,782.80

Finding the Fourth Proportional to 507,177,389.52, 760,861,657.02 and 192,137,782.80

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Solution

The fourth proportional to 507,177,389.52, 760,861,657.02 and 192,137,782.80 is: 288,242,880.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,177,389.52 : 760,861,657.02 = 192,137,782.80 : x
  2. Step 2: Convert to fraction form
    507,177,389.52/760,861,657.02 = 192,137,782.80/x
  3. Step 3: Cross multiply
    507,177,389.52x = 760,861,657.02 × 192,137,782.80
  4. Step 4: Simplify right side
    507,177,389.52x = 146,190,271,797,356,864
  5. Step 5: Solve for x
    x = 146,190,271,797,356,864/507,177,389.52
  6. Step 6: Final answer
    x = 288,242,880.73

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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.