Home / 318,997,237.34-440,298,094.07-207,765,258.23

Finding the Fourth Proportional to 318,997,237.34, 440,298,094.07 and 207,765,258.23

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Solution

The fourth proportional to 318,997,237.34, 440,298,094.07 and 207,765,258.23 is: 286,769,402.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,997,237.34 : 440,298,094.07 = 207,765,258.23 : x
  2. Step 2: Convert to fraction form
    318,997,237.34/440,298,094.07 = 207,765,258.23/x
  3. Step 3: Cross multiply
    318,997,237.34x = 440,298,094.07 × 207,765,258.23
  4. Step 4: Simplify right side
    318,997,237.34x = 91,478,647,212,630,368
  5. Step 5: Solve for x
    x = 91,478,647,212,630,368/318,997,237.34
  6. Step 6: Final answer
    x = 286,769,402.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.