Home / 599,639,271.20-899,458,906.80-293,128,013.60

Finding the Fourth Proportional to 599,639,271.20, 899,458,906.80 and 293,128,013.60

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Solution

The fourth proportional to 599,639,271.20, 899,458,906.80 and 293,128,013.60 is: 439,692,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,639,271.20 : 899,458,906.80 = 293,128,013.60 : x
  2. Step 2: Convert to fraction form
    599,639,271.20/899,458,906.80 = 293,128,013.60/x
  3. Step 3: Cross multiply
    599,639,271.20x = 899,458,906.80 × 293,128,013.60
  4. Step 4: Simplify right side
    599,639,271.20x = 263,656,602,665,111,552
  5. Step 5: Solve for x
    x = 263,656,602,665,111,552/599,639,271.20
  6. Step 6: Final answer
    x = 439,692,020.40

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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.