Home / 545,187,544.63-817,797,952.42-213,181,294.43

Finding the Fourth Proportional to 545,187,544.63, 817,797,952.42 and 213,181,294.43

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Solution

The fourth proportional to 545,187,544.63, 817,797,952.42 and 213,181,294.43 is: 319,778,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,187,544.63 : 817,797,952.42 = 213,181,294.43 : x
  2. Step 2: Convert to fraction form
    545,187,544.63/817,797,952.42 = 213,181,294.43/x
  3. Step 3: Cross multiply
    545,187,544.63x = 817,797,952.42 × 213,181,294.43
  4. Step 4: Simplify right side
    545,187,544.63x = 174,339,226,080,610,688
  5. Step 5: Solve for x
    x = 174,339,226,080,610,688/545,187,544.63
  6. Step 6: Final answer
    x = 319,778,446.52

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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.