Home / 388,099,498.10-581,221,188.81-223,839,263.16

Finding the Fourth Proportional to 388,099,498.10, 581,221,188.81 and 223,839,263.16

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Solution

The fourth proportional to 388,099,498.10, 581,221,188.81 and 223,839,263.16 is: 335,223,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,099,498.10 : 581,221,188.81 = 223,839,263.16 : x
  2. Step 2: Convert to fraction form
    388,099,498.10/581,221,188.81 = 223,839,263.16/x
  3. Step 3: Cross multiply
    388,099,498.10x = 581,221,188.81 × 223,839,263.16
  4. Step 4: Simplify right side
    388,099,498.10x = 130,100,122,636,209,616
  5. Step 5: Solve for x
    x = 130,100,122,636,209,616/388,099,498.10
  6. Step 6: Final answer
    x = 335,223,630.22

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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.