Home / 628,531,427,081.94-867,373,717,837.41-339,499,685,333.94

Finding the Fourth Proportional to 628,531,427,081.94, 867,373,717,837.41 and 339,499,685,333.94

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Solution

The fourth proportional to 628,531,427,081.94, 867,373,717,837.41 and 339,499,685,333.94 is: 468,509,753,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,531,427,081.94 : 867,373,717,837.41 = 339,499,685,333.94 : x
  2. Step 2: Convert to fraction form
    628,531,427,081.94/867,373,717,837.41 = 339,499,685,333.94/x
  3. Step 3: Cross multiply
    628,531,427,081.94x = 867,373,717,837.41 × 339,499,685,333.94
  4. Step 4: Simplify right side
    628,531,427,081.94x = 294,473,104,272,730,353,565,696
  5. Step 5: Solve for x
    x = 294,473,104,272,730,353,565,696/628,531,427,081.94
  6. Step 6: Final answer
    x = 468,509,753,982.98

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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.