Home / 792,551,710.80-1,188,827,566.20-210,284,830.80

Finding the Fourth Proportional to 792,551,710.80, 1,188,827,566.20 and 210,284,830.80

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Solution

The fourth proportional to 792,551,710.80, 1,188,827,566.20 and 210,284,830.80 is: 315,427,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,551,710.80 : 1,188,827,566.20 = 210,284,830.80 : x
  2. Step 2: Convert to fraction form
    792,551,710.80/1,188,827,566.20 = 210,284,830.80/x
  3. Step 3: Cross multiply
    792,551,710.80x = 1,188,827,566.20 × 210,284,830.80
  4. Step 4: Simplify right side
    792,551,710.80x = 249,992,403,608,742,816
  5. Step 5: Solve for x
    x = 249,992,403,608,742,816/792,551,710.80
  6. Step 6: Final answer
    x = 315,427,246.20

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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.