Home / 918,934,479.04-1,268,133,523.84-501,255,866.56

Finding the Fourth Proportional to 918,934,479.04, 1,268,133,523.84 and 501,255,866.56

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Solution

The fourth proportional to 918,934,479.04, 1,268,133,523.84 and 501,255,866.56 is: 691,735,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,934,479.04 : 1,268,133,523.84 = 501,255,866.56 : x
  2. Step 2: Convert to fraction form
    918,934,479.04/1,268,133,523.84 = 501,255,866.56/x
  3. Step 3: Cross multiply
    918,934,479.04x = 1,268,133,523.84 × 501,255,866.56
  4. Step 4: Simplify right side
    918,934,479.04x = 635,659,368,406,205,568
  5. Step 5: Solve for x
    x = 635,659,368,406,205,568/918,934,479.04
  6. Step 6: Final answer
    x = 691,735,246.53

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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.