Home / 404,577,288.36-558,316,639.68-218,938,309.11

Finding the Fourth Proportional to 404,577,288.36, 558,316,639.68 and 218,938,309.11

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Solution

The fourth proportional to 404,577,288.36, 558,316,639.68 and 218,938,309.11 is: 302,134,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,577,288.36 : 558,316,639.68 = 218,938,309.11 : x
  2. Step 2: Convert to fraction form
    404,577,288.36/558,316,639.68 = 218,938,309.11/x
  3. Step 3: Cross multiply
    404,577,288.36x = 558,316,639.68 × 218,938,309.11
  4. Step 4: Simplify right side
    404,577,288.36x = 122,236,901,039,516,320
  5. Step 5: Solve for x
    x = 122,236,901,039,516,320/404,577,288.36
  6. Step 6: Final answer
    x = 302,134,856.69

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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.