Home / 490,009,801.70-676,213,623.64-266,991,483.33

Finding the Fourth Proportional to 490,009,801.70, 676,213,623.64 and 266,991,483.33

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Solution

The fourth proportional to 490,009,801.70, 676,213,623.64 and 266,991,483.33 is: 368,448,300.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,009,801.70 : 676,213,623.64 = 266,991,483.33 : x
  2. Step 2: Convert to fraction form
    490,009,801.70/676,213,623.64 = 266,991,483.33/x
  3. Step 3: Cross multiply
    490,009,801.70x = 676,213,623.64 × 266,991,483.33
  4. Step 4: Simplify right side
    490,009,801.70x = 180,543,278,422,024,768
  5. Step 5: Solve for x
    x = 180,543,278,422,024,768/490,009,801.70
  6. Step 6: Final answer
    x = 368,448,300.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.