Home / 517,742,625.67-776,616,841.74-172,695,305.41

Finding the Fourth Proportional to 517,742,625.67, 776,616,841.74 and 172,695,305.41

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Solution

The fourth proportional to 517,742,625.67, 776,616,841.74 and 172,695,305.41 is: 259,043,926.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,742,625.67 : 776,616,841.74 = 172,695,305.41 : x
  2. Step 2: Convert to fraction form
    517,742,625.67/776,616,841.74 = 172,695,305.41/x
  3. Step 3: Cross multiply
    517,742,625.67x = 776,616,841.74 × 172,695,305.41
  4. Step 4: Simplify right side
    517,742,625.67x = 134,118,082,670,838,928
  5. Step 5: Solve for x
    x = 134,118,082,670,838,928/517,742,625.67
  6. Step 6: Final answer
    x = 259,043,926.50

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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.