Home / 286,101,574.92-428,526,671.27-202,850,977.77

Finding the Fourth Proportional to 286,101,574.92, 428,526,671.27 and 202,850,977.77

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Solution

The fourth proportional to 286,101,574.92, 428,526,671.27 and 202,850,977.77 is: 303,832,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,101,574.92 : 428,526,671.27 = 202,850,977.77 : x
  2. Step 2: Convert to fraction form
    286,101,574.92/428,526,671.27 = 202,850,977.77/x
  3. Step 3: Cross multiply
    286,101,574.92x = 428,526,671.27 × 202,850,977.77
  4. Step 4: Simplify right side
    286,101,574.92x = 86,927,054,266,628,608
  5. Step 5: Solve for x
    x = 86,927,054,266,628,608/286,101,574.92
  6. Step 6: Final answer
    x = 303,832,840.80

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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.