Home / 715,069,527.20-1,072,604,290.80-388,552,176.80

Finding the Fourth Proportional to 715,069,527.20, 1,072,604,290.80 and 388,552,176.80

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Solution

The fourth proportional to 715,069,527.20, 1,072,604,290.80 and 388,552,176.80 is: 582,828,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,069,527.20 : 1,072,604,290.80 = 388,552,176.80 : x
  2. Step 2: Convert to fraction form
    715,069,527.20/1,072,604,290.80 = 388,552,176.80/x
  3. Step 3: Cross multiply
    715,069,527.20x = 1,072,604,290.80 × 388,552,176.80
  4. Step 4: Simplify right side
    715,069,527.20x = 416,762,732,035,360,192
  5. Step 5: Solve for x
    x = 416,762,732,035,360,192/715,069,527.20
  6. Step 6: Final answer
    x = 582,828,265.20

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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.