Home / 679,562,278.71-937,264,667.97-441,484,171.47

Finding the Fourth Proportional to 679,562,278.71, 937,264,667.97 and 441,484,171.47

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Solution

The fourth proportional to 679,562,278.71, 937,264,667.97 and 441,484,171.47 is: 608,903,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,562,278.71 : 937,264,667.97 = 441,484,171.47 : x
  2. Step 2: Convert to fraction form
    679,562,278.71/937,264,667.97 = 441,484,171.47/x
  3. Step 3: Cross multiply
    679,562,278.71x = 937,264,667.97 × 441,484,171.47
  4. Step 4: Simplify right side
    679,562,278.71x = 413,787,515,386,840,128
  5. Step 5: Solve for x
    x = 413,787,515,386,840,128/679,562,278.71
  6. Step 6: Final answer
    x = 608,903,007.64

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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.