Home / 455,502,877.11-682,967,206.31-386,439,866.55

Finding the Fourth Proportional to 455,502,877.11, 682,967,206.31 and 386,439,866.55

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Solution

The fourth proportional to 455,502,877.11, 682,967,206.31 and 386,439,866.55 is: 579,416,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,502,877.11 : 682,967,206.31 = 386,439,866.55 : x
  2. Step 2: Convert to fraction form
    455,502,877.11/682,967,206.31 = 386,439,866.55/x
  3. Step 3: Cross multiply
    455,502,877.11x = 682,967,206.31 × 386,439,866.55
  4. Step 4: Simplify right side
    455,502,877.11x = 263,925,756,062,530,496
  5. Step 5: Solve for x
    x = 263,925,756,062,530,496/455,502,877.11
  6. Step 6: Final answer
    x = 579,416,221.77

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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.