Home / 613,094,193.12-920,047,461.04-336,938,258.56

Finding the Fourth Proportional to 613,094,193.12, 920,047,461.04 and 336,938,258.56

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Solution

The fourth proportional to 613,094,193.12, 920,047,461.04 and 336,938,258.56 is: 505,630,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,094,193.12 : 920,047,461.04 = 336,938,258.56 : x
  2. Step 2: Convert to fraction form
    613,094,193.12/920,047,461.04 = 336,938,258.56/x
  3. Step 3: Cross multiply
    613,094,193.12x = 920,047,461.04 × 336,938,258.56
  4. Step 4: Simplify right side
    613,094,193.12x = 309,999,189,315,367,040
  5. Step 5: Solve for x
    x = 309,999,189,315,367,040/613,094,193.12
  6. Step 6: Final answer
    x = 505,630,607.49

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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.