Home / 299,549,931.20-449,324,896.80-251,176,990.40

Finding the Fourth Proportional to 299,549,931.20, 449,324,896.80 and 251,176,990.40

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Solution

The fourth proportional to 299,549,931.20, 449,324,896.80 and 251,176,990.40 is: 376,765,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,549,931.20 : 449,324,896.80 = 251,176,990.40 : x
  2. Step 2: Convert to fraction form
    299,549,931.20/449,324,896.80 = 251,176,990.40/x
  3. Step 3: Cross multiply
    299,549,931.20x = 449,324,896.80 × 251,176,990.40
  4. Step 4: Simplify right side
    299,549,931.20x = 112,860,075,290,014,592
  5. Step 5: Solve for x
    x = 112,860,075,290,014,592/299,549,931.20
  6. Step 6: Final answer
    x = 376,765,485.60

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1.5x scale

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.