Home / 1,488,863,121.60-2,233,294,682.40-763,269,009.60

Finding the Fourth Proportional to 1,488,863,121.60, 2,233,294,682.40 and 763,269,009.60

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Solution

The fourth proportional to 1,488,863,121.60, 2,233,294,682.40 and 763,269,009.60 is: 1,144,903,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,863,121.60 : 2,233,294,682.40 = 763,269,009.60 : x
  2. Step 2: Convert to fraction form
    1,488,863,121.60/2,233,294,682.40 = 763,269,009.60/x
  3. Step 3: Cross multiply
    1,488,863,121.60x = 2,233,294,682.40 × 763,269,009.60
  4. Step 4: Simplify right side
    1,488,863,121.60x = 1,704,604,620,380,394,752
  5. Step 5: Solve for x
    x = 1,704,604,620,380,394,752/1,488,863,121.60
  6. Step 6: Final answer
    x = 1,144,903,514.40

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Double scale
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1.5x scale

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.