Home / 388,099,494.18-581,221,182.93-223,839,259.25

Finding the Fourth Proportional to 388,099,494.18, 581,221,182.93 and 223,839,259.25

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Solution

The fourth proportional to 388,099,494.18, 581,221,182.93 and 223,839,259.25 is: 335,223,624.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,099,494.18 : 581,221,182.93 = 223,839,259.25 : x
  2. Step 2: Convert to fraction form
    388,099,494.18/581,221,182.93 = 223,839,259.25/x
  3. Step 3: Cross multiply
    388,099,494.18x = 581,221,182.93 × 223,839,259.25
  4. Step 4: Simplify right side
    388,099,494.18x = 130,100,119,043,714,432
  5. Step 5: Solve for x
    x = 130,100,119,043,714,432/388,099,494.18
  6. Step 6: Final answer
    x = 335,223,624.34

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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.