Home / 631,050,216.40-946,575,324.60-291,311,592.40

Finding the Fourth Proportional to 631,050,216.40, 946,575,324.60 and 291,311,592.40

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Solution

The fourth proportional to 631,050,216.40, 946,575,324.60 and 291,311,592.40 is: 436,967,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,050,216.40 : 946,575,324.60 = 291,311,592.40 : x
  2. Step 2: Convert to fraction form
    631,050,216.40/946,575,324.60 = 291,311,592.40/x
  3. Step 3: Cross multiply
    631,050,216.40x = 946,575,324.60 × 291,311,592.40
  4. Step 4: Simplify right side
    631,050,216.40x = 275,748,365,135,772,864
  5. Step 5: Solve for x
    x = 275,748,365,135,772,864/631,050,216.40
  6. Step 6: Final answer
    x = 436,967,388.60

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Similar ratio
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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.