Home / 655,884,656,856.56-983,870,153,790.16-171,850,729,338.76

Finding the Fourth Proportional to 655,884,656,856.56, 983,870,153,790.16 and 171,850,729,338.76

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Solution

The fourth proportional to 655,884,656,856.56, 983,870,153,790.16 and 171,850,729,338.76 is: 257,787,404,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,884,656,856.56 : 983,870,153,790.16 = 171,850,729,338.76 : x
  2. Step 2: Convert to fraction form
    655,884,656,856.56/983,870,153,790.16 = 171,850,729,338.76/x
  3. Step 3: Cross multiply
    655,884,656,856.56x = 983,870,153,790.16 × 171,850,729,338.76
  4. Step 4: Simplify right side
    655,884,656,856.56x = 169,078,803,503,476,992,114,688
  5. Step 5: Solve for x
    x = 169,078,803,503,476,992,114,688/655,884,656,856.56
  6. Step 6: Final answer
    x = 257,787,404,745.55

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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.