Home / 919,380,682.80-1,268,772,259.86-501,719,888.70

Finding the Fourth Proportional to 919,380,682.80, 1,268,772,259.86 and 501,719,888.70

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Solution

The fourth proportional to 919,380,682.80, 1,268,772,259.86 and 501,719,888.70 is: 692,388,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,380,682.80 : 1,268,772,259.86 = 501,719,888.70 : x
  2. Step 2: Convert to fraction form
    919,380,682.80/1,268,772,259.86 = 501,719,888.70/x
  3. Step 3: Cross multiply
    919,380,682.80x = 1,268,772,259.86 × 501,719,888.70
  4. Step 4: Simplify right side
    919,380,682.80x = 636,568,277,002,606,592
  5. Step 5: Solve for x
    x = 636,568,277,002,606,592/919,380,682.80
  6. Step 6: Final answer
    x = 692,388,135.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.