Home / 338,230,809.60-507,346,214.40-257,609,241.60

Finding the Fourth Proportional to 338,230,809.60, 507,346,214.40 and 257,609,241.60

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Solution

The fourth proportional to 338,230,809.60, 507,346,214.40 and 257,609,241.60 is: 386,413,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,230,809.60 : 507,346,214.40 = 257,609,241.60 : x
  2. Step 2: Convert to fraction form
    338,230,809.60/507,346,214.40 = 257,609,241.60/x
  3. Step 3: Cross multiply
    338,230,809.60x = 507,346,214.40 × 257,609,241.60
  4. Step 4: Simplify right side
    338,230,809.60x = 130,697,073,520,214,992
  5. Step 5: Solve for x
    x = 130,697,073,520,214,992/338,230,809.60
  6. Step 6: Final answer
    x = 386,413,862.40

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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.