Home / 380,655,923.45-570,873,115.29-147,434,618.33

Finding the Fourth Proportional to 380,655,923.45, 570,873,115.29 and 147,434,618.33

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Solution

The fourth proportional to 380,655,923.45, 570,873,115.29 and 147,434,618.33 is: 221,109,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,655,923.45 : 570,873,115.29 = 147,434,618.33 : x
  2. Step 2: Convert to fraction form
    380,655,923.45/570,873,115.29 = 147,434,618.33/x
  3. Step 3: Cross multiply
    380,655,923.45x = 570,873,115.29 × 147,434,618.33
  4. Step 4: Simplify right side
    380,655,923.45x = 84,166,459,864,784,864
  5. Step 5: Solve for x
    x = 84,166,459,864,784,864/380,655,923.45
  6. Step 6: Final answer
    x = 221,109,024.40

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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.