Home / 330,359,703.54-455,767,365.96-189,155,465.34

Finding the Fourth Proportional to 330,359,703.54, 455,767,365.96 and 189,155,465.34

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Solution

The fourth proportional to 330,359,703.54, 455,767,365.96 and 189,155,465.34 is: 260,960,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,359,703.54 : 455,767,365.96 = 189,155,465.34 : x
  2. Step 2: Convert to fraction form
    330,359,703.54/455,767,365.96 = 189,155,465.34/x
  3. Step 3: Cross multiply
    330,359,703.54x = 455,767,365.96 × 189,155,465.34
  4. Step 4: Simplify right side
    330,359,703.54x = 86,210,888,194,949,872
  5. Step 5: Solve for x
    x = 86,210,888,194,949,872/330,359,703.54
  6. Step 6: Final answer
    x = 260,960,665.82

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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.