Home / 631,152,927.20-946,729,390.80-355,653,912.80

Finding the Fourth Proportional to 631,152,927.20, 946,729,390.80 and 355,653,912.80

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Solution

The fourth proportional to 631,152,927.20, 946,729,390.80 and 355,653,912.80 is: 533,480,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,152,927.20 : 946,729,390.80 = 355,653,912.80 : x
  2. Step 2: Convert to fraction form
    631,152,927.20/946,729,390.80 = 355,653,912.80/x
  3. Step 3: Cross multiply
    631,152,927.20x = 946,729,390.80 × 355,653,912.80
  4. Step 4: Simplify right side
    631,152,927.20x = 336,708,012,200,780,288
  5. Step 5: Solve for x
    x = 336,708,012,200,780,288/631,152,927.20
  6. Step 6: Final answer
    x = 533,480,869.20

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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.