Home / 471,074,076.08-706,687,808.86-139,114,663.52

Finding the Fourth Proportional to 471,074,076.08, 706,687,808.86 and 139,114,663.52

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Solution

The fourth proportional to 471,074,076.08, 706,687,808.86 and 139,114,663.52 is: 208,694,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,074,076.08 : 706,687,808.86 = 139,114,663.52 : x
  2. Step 2: Convert to fraction form
    471,074,076.08/706,687,808.86 = 139,114,663.52/x
  3. Step 3: Cross multiply
    471,074,076.08x = 706,687,808.86 × 139,114,663.52
  4. Step 4: Simplify right side
    471,074,076.08x = 98,310,636,744,663,904
  5. Step 5: Solve for x
    x = 98,310,636,744,663,904/471,074,076.08
  6. Step 6: Final answer
    x = 208,694,644.30

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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.