Home / 887,947,645.14-1,332,380,722.60-644,312,948.58

Finding the Fourth Proportional to 887,947,645.14, 1,332,380,722.60 and 644,312,948.58

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Solution

The fourth proportional to 887,947,645.14, 1,332,380,722.60 and 644,312,948.58 is: 966,802,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,947,645.14 : 1,332,380,722.60 = 644,312,948.58 : x
  2. Step 2: Convert to fraction form
    887,947,645.14/1,332,380,722.60 = 644,312,948.58/x
  3. Step 3: Cross multiply
    887,947,645.14x = 1,332,380,722.60 × 644,312,948.58
  4. Step 4: Simplify right side
    887,947,645.14x = 858,470,152,009,556,992
  5. Step 5: Solve for x
    x = 858,470,152,009,556,992/887,947,645.14
  6. Step 6: Final answer
    x = 966,802,667.60

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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.