Home / 410,371,542.69-615,465,004.19-188,830,374.09

Finding the Fourth Proportional to 410,371,542.69, 615,465,004.19 and 188,830,374.09

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Solution

The fourth proportional to 410,371,542.69, 615,465,004.19 and 188,830,374.09 is: 283,203,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,371,542.69 : 615,465,004.19 = 188,830,374.09 : x
  2. Step 2: Convert to fraction form
    410,371,542.69/615,465,004.19 = 188,830,374.09/x
  3. Step 3: Cross multiply
    410,371,542.69x = 615,465,004.19 × 188,830,374.09
  4. Step 4: Simplify right side
    410,371,542.69x = 116,218,486,977,248,960
  5. Step 5: Solve for x
    x = 116,218,486,977,248,960/410,371,542.69
  6. Step 6: Final answer
    x = 283,203,085.22

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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.