Home / 400,111,949.60-599,832,001.20-208,635,725.60

Finding the Fourth Proportional to 400,111,949.60, 599,832,001.20 and 208,635,725.60

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Solution

The fourth proportional to 400,111,949.60, 599,832,001.20 and 208,635,725.60 is: 312,778,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,111,949.60 : 599,832,001.20 = 208,635,725.60 : x
  2. Step 2: Convert to fraction form
    400,111,949.60/599,832,001.20 = 208,635,725.60/x
  3. Step 3: Cross multiply
    400,111,949.60x = 599,832,001.20 × 208,635,725.60
  4. Step 4: Simplify right side
    400,111,949.60x = 125,146,384,808,462,080
  5. Step 5: Solve for x
    x = 125,146,384,808,462,080/400,111,949.60
  6. Step 6: Final answer
    x = 312,778,423.47

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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.