Home / 708,588,178.44-977,852,298.60-395,322,456.36

Finding the Fourth Proportional to 708,588,178.44, 977,852,298.60 and 395,322,456.36

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Solution

The fourth proportional to 708,588,178.44, 977,852,298.60 and 395,322,456.36 is: 545,545,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,178.44 : 977,852,298.60 = 395,322,456.36 : x
  2. Step 2: Convert to fraction form
    708,588,178.44/977,852,298.60 = 395,322,456.36/x
  3. Step 3: Cross multiply
    708,588,178.44x = 977,852,298.60 × 395,322,456.36
  4. Step 4: Simplify right side
    708,588,178.44x = 386,566,972,639,824,192
  5. Step 5: Solve for x
    x = 386,566,972,639,824,192/708,588,178.44
  6. Step 6: Final answer
    x = 545,545,331.41

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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.