Home / 314,790,773.60-472,186,160.40-257,347,906.40

Finding the Fourth Proportional to 314,790,773.60, 472,186,160.40 and 257,347,906.40

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Solution

The fourth proportional to 314,790,773.60, 472,186,160.40 and 257,347,906.40 is: 386,021,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,790,773.60 : 472,186,160.40 = 257,347,906.40 : x
  2. Step 2: Convert to fraction form
    314,790,773.60/472,186,160.40 = 257,347,906.40/x
  3. Step 3: Cross multiply
    314,790,773.60x = 472,186,160.40 × 257,347,906.40
  4. Step 4: Simplify right side
    314,790,773.60x = 121,516,119,809,994,576
  5. Step 5: Solve for x
    x = 121,516,119,809,994,576/314,790,773.60
  6. Step 6: Final answer
    x = 386,021,859.60

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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.