Home / 348,830,860.80-523,246,291.20-280,806,412.80

Finding the Fourth Proportional to 348,830,860.80, 523,246,291.20 and 280,806,412.80

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Solution

The fourth proportional to 348,830,860.80, 523,246,291.20 and 280,806,412.80 is: 421,209,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,830,860.80 : 523,246,291.20 = 280,806,412.80 : x
  2. Step 2: Convert to fraction form
    348,830,860.80/523,246,291.20 = 280,806,412.80/x
  3. Step 3: Cross multiply
    348,830,860.80x = 523,246,291.20 × 280,806,412.80
  4. Step 4: Simplify right side
    348,830,860.80x = 146,930,914,042,776,224
  5. Step 5: Solve for x
    x = 146,930,914,042,776,224/348,830,860.80
  6. Step 6: Final answer
    x = 421,209,619.20

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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.