Home / 355,594,730.33-490,733,866.51-194,669,994.51

Finding the Fourth Proportional to 355,594,730.33, 490,733,866.51 and 194,669,994.51

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Solution

The fourth proportional to 355,594,730.33, 490,733,866.51 and 194,669,994.51 is: 268,651,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,594,730.33 : 490,733,866.51 = 194,669,994.51 : x
  2. Step 2: Convert to fraction form
    355,594,730.33/490,733,866.51 = 194,669,994.51/x
  3. Step 3: Cross multiply
    355,594,730.33x = 490,733,866.51 × 194,669,994.51
  4. Step 4: Simplify right side
    355,594,730.33x = 95,531,159,098,886,096
  5. Step 5: Solve for x
    x = 95,531,159,098,886,096/355,594,730.33
  6. Step 6: Final answer
    x = 268,651,785.16

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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.