Home / 545,563,637.15-817,786,405.41-414,127,672.43

Finding the Fourth Proportional to 545,563,637.15, 817,786,405.41 and 414,127,672.43

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Solution

The fourth proportional to 545,563,637.15, 817,786,405.41 and 414,127,672.43 is: 620,767,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,563,637.15 : 817,786,405.41 = 414,127,672.43 : x
  2. Step 2: Convert to fraction form
    545,563,637.15/817,786,405.41 = 414,127,672.43/x
  3. Step 3: Cross multiply
    545,563,637.15x = 817,786,405.41 × 414,127,672.43
  4. Step 4: Simplify right side
    545,563,637.15x = 338,667,980,613,250,752
  5. Step 5: Solve for x
    x = 338,667,980,613,250,752/545,563,637.15
  6. Step 6: Final answer
    x = 620,767,143.47

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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.