Home / 769,905,530.40-1,154,858,295.60-361,758,842.40

Finding the Fourth Proportional to 769,905,530.40, 1,154,858,295.60 and 361,758,842.40

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Solution

The fourth proportional to 769,905,530.40, 1,154,858,295.60 and 361,758,842.40 is: 542,638,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,905,530.40 : 1,154,858,295.60 = 361,758,842.40 : x
  2. Step 2: Convert to fraction form
    769,905,530.40/1,154,858,295.60 = 361,758,842.40/x
  3. Step 3: Cross multiply
    769,905,530.40x = 1,154,858,295.60 × 361,758,842.40
  4. Step 4: Simplify right side
    769,905,530.40x = 417,780,200,152,292,928
  5. Step 5: Solve for x
    x = 417,780,200,152,292,928/769,905,530.40
  6. Step 6: Final answer
    x = 542,638,263.60

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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.