Home / 404,572,536.95-558,310,101.17-218,933,552.70

Finding the Fourth Proportional to 404,572,536.95, 558,310,101.17 and 218,933,552.70

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Solution

The fourth proportional to 404,572,536.95, 558,310,101.17 and 218,933,552.70 is: 302,128,302.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,572,536.95 : 558,310,101.17 = 218,933,552.70 : x
  2. Step 2: Convert to fraction form
    404,572,536.95/558,310,101.17 = 218,933,552.70/x
  3. Step 3: Cross multiply
    404,572,536.95x = 558,310,101.17 × 218,933,552.70
  4. Step 4: Simplify right side
    404,572,536.95x = 122,232,813,956,349,840
  5. Step 5: Solve for x
    x = 122,232,813,956,349,840/404,572,536.95
  6. Step 6: Final answer
    x = 302,128,302.82

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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.