Home / 713,021,365.20-1,069,532,047.80-368,647,597.20

Finding the Fourth Proportional to 713,021,365.20, 1,069,532,047.80 and 368,647,597.20

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Solution

The fourth proportional to 713,021,365.20, 1,069,532,047.80 and 368,647,597.20 is: 552,971,395.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,021,365.20 : 1,069,532,047.80 = 368,647,597.20 : x
  2. Step 2: Convert to fraction form
    713,021,365.20/1,069,532,047.80 = 368,647,597.20/x
  3. Step 3: Cross multiply
    713,021,365.20x = 1,069,532,047.80 × 368,647,597.20
  4. Step 4: Simplify right side
    713,021,365.20x = 394,280,419,549,865,536
  5. Step 5: Solve for x
    x = 394,280,419,549,865,536/713,021,365.20
  6. Step 6: Final answer
    x = 552,971,395.80

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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.