Home / 408,824,009-564,174,262.36-223,185,024.64

Finding the Fourth Proportional to 408,824,009, 564,174,262.36 and 223,185,024.64

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Solution

The fourth proportional to 408,824,009, 564,174,262.36 and 223,185,024.64 is: 307,993,767.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,824,009 : 564,174,262.36 = 223,185,024.64 : x
  2. Step 2: Convert to fraction form
    408,824,009/564,174,262.36 = 223,185,024.64/x
  3. Step 3: Cross multiply
    408,824,009x = 564,174,262.36 × 223,185,024.64
  4. Step 4: Simplify right side
    408,824,009x = 125,915,246,646,070,416
  5. Step 5: Solve for x
    x = 125,915,246,646,070,416/408,824,009
  6. Step 6: Final answer
    x = 307,993,767.18

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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.