Home / 728,713,478.40-1,093,070,217.60-658,421,548.80

Finding the Fourth Proportional to 728,713,478.40, 1,093,070,217.60 and 658,421,548.80

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Solution

The fourth proportional to 728,713,478.40, 1,093,070,217.60 and 658,421,548.80 is: 987,632,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,713,478.40 : 1,093,070,217.60 = 658,421,548.80 : x
  2. Step 2: Convert to fraction form
    728,713,478.40/1,093,070,217.60 = 658,421,548.80/x
  3. Step 3: Cross multiply
    728,713,478.40x = 1,093,070,217.60 × 658,421,548.80
  4. Step 4: Simplify right side
    728,713,478.40x = 719,700,985,619,344,896
  5. Step 5: Solve for x
    x = 719,700,985,619,344,896/728,713,478.40
  6. Step 6: Final answer
    x = 987,632,323.20

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1.5x scale

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.