Home / 298,804,037.10-448,206,055.65-211,128,081.90

Finding the Fourth Proportional to 298,804,037.10, 448,206,055.65 and 211,128,081.90

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Solution

The fourth proportional to 298,804,037.10, 448,206,055.65 and 211,128,081.90 is: 316,692,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,804,037.10 : 448,206,055.65 = 211,128,081.90 : x
  2. Step 2: Convert to fraction form
    298,804,037.10/448,206,055.65 = 211,128,081.90/x
  3. Step 3: Cross multiply
    298,804,037.10x = 448,206,055.65 × 211,128,081.90
  4. Step 4: Simplify right side
    298,804,037.10x = 94,628,884,825,349,152
  5. Step 5: Solve for x
    x = 94,628,884,825,349,152/298,804,037.10
  6. Step 6: Final answer
    x = 316,692,122.85

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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.