Home / 471,129,677.84-706,771,243.59-139,170,371.60

Finding the Fourth Proportional to 471,129,677.84, 706,771,243.59 and 139,170,371.60

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Solution

The fourth proportional to 471,129,677.84, 706,771,243.59 and 139,170,371.60 is: 208,778,222.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,129,677.84 : 706,771,243.59 = 139,170,371.60 : x
  2. Step 2: Convert to fraction form
    471,129,677.84/706,771,243.59 = 139,170,371.60/x
  3. Step 3: Cross multiply
    471,129,677.84x = 706,771,243.59 × 139,170,371.60
  4. Step 4: Simplify right side
    471,129,677.84x = 98,361,616,608,641,584
  5. Step 5: Solve for x
    x = 98,361,616,608,641,584/471,129,677.84
  6. Step 6: Final answer
    x = 208,778,222.29

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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.