Home / 507,989,002.80-761,983,504.20-162,977,505.60

Finding the Fourth Proportional to 507,989,002.80, 761,983,504.20 and 162,977,505.60

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Solution

The fourth proportional to 507,989,002.80, 761,983,504.20 and 162,977,505.60 is: 244,466,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,989,002.80 : 761,983,504.20 = 162,977,505.60 : x
  2. Step 2: Convert to fraction form
    507,989,002.80/761,983,504.20 = 162,977,505.60/x
  3. Step 3: Cross multiply
    507,989,002.80x = 761,983,504.20 × 162,977,505.60
  4. Step 4: Simplify right side
    507,989,002.80x = 124,186,170,822,863,120
  5. Step 5: Solve for x
    x = 124,186,170,822,863,120/507,989,002.80
  6. Step 6: Final answer
    x = 244,466,258.40

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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.