Home / 368,724,031.26-508,833,143.73-201,456,692.88

Finding the Fourth Proportional to 368,724,031.26, 508,833,143.73 and 201,456,692.88

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Solution

The fourth proportional to 368,724,031.26, 508,833,143.73 and 201,456,692.88 is: 278,006,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,724,031.26 : 508,833,143.73 = 201,456,692.88 : x
  2. Step 2: Convert to fraction form
    368,724,031.26/508,833,143.73 = 201,456,692.88/x
  3. Step 3: Cross multiply
    368,724,031.26x = 508,833,143.73 × 201,456,692.88
  4. Step 4: Simplify right side
    368,724,031.26x = 102,507,842,363,579,504
  5. Step 5: Solve for x
    x = 102,507,842,363,579,504/368,724,031.26
  6. Step 6: Final answer
    x = 278,006,947.40

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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.