Home / 366,774,787,263.80-550,413,487,250.40-128,009,436,267.12

Finding the Fourth Proportional to 366,774,787,263.80, 550,413,487,250.40 and 128,009,436,267.12

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Solution

The fourth proportional to 366,774,787,263.80, 550,413,487,250.40 and 128,009,436,267.12 is: 192,101,863,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,774,787,263.80 : 550,413,487,250.40 = 128,009,436,267.12 : x
  2. Step 2: Convert to fraction form
    366,774,787,263.80/550,413,487,250.40 = 128,009,436,267.12/x
  3. Step 3: Cross multiply
    366,774,787,263.80x = 550,413,487,250.40 × 128,009,436,267.12
  4. Step 4: Simplify right side
    366,774,787,263.80x = 70,458,120,216,743,348,535,296
  5. Step 5: Solve for x
    x = 70,458,120,216,743,348,535,296/366,774,787,263.80
  6. Step 6: Final answer
    x = 192,101,863,768.70

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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.