Home / 340,371,583.69-469,725,314.38-189,677,781.18

Finding the Fourth Proportional to 340,371,583.69, 469,725,314.38 and 189,677,781.18

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Solution

The fourth proportional to 340,371,583.69, 469,725,314.38 and 189,677,781.18 is: 261,762,319.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,371,583.69 : 469,725,314.38 = 189,677,781.18 : x
  2. Step 2: Convert to fraction form
    340,371,583.69/469,725,314.38 = 189,677,781.18/x
  3. Step 3: Cross multiply
    340,371,583.69x = 469,725,314.38 × 189,677,781.18
  4. Step 4: Simplify right side
    340,371,583.69x = 89,096,455,395,676,352
  5. Step 5: Solve for x
    x = 89,096,455,395,676,352/340,371,583.69
  6. Step 6: Final answer
    x = 261,762,319.96

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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.