Home / 78,288,804,908.55-117,433,207,362.83-78,288,804,908.55

Finding the Fourth Proportional to 78,288,804,908.55, 117,433,207,362.83 and 78,288,804,908.55

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Solution

The fourth proportional to 78,288,804,908.55, 117,433,207,362.83 and 78,288,804,908.55 is: 117,433,207,362.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,288,804,908.55 : 117,433,207,362.83 = 78,288,804,908.55 : x
  2. Step 2: Convert to fraction form
    78,288,804,908.55/117,433,207,362.83 = 78,288,804,908.55/x
  3. Step 3: Cross multiply
    78,288,804,908.55x = 117,433,207,362.83 × 78,288,804,908.55
  4. Step 4: Simplify right side
    78,288,804,908.55x = 9,193,705,461,013,896,232,960
  5. Step 5: Solve for x
    x = 9,193,705,461,013,896,232,960/78,288,804,908.55
  6. Step 6: Final answer
    x = 117,433,207,362.83

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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.