Home / 1,164,182,486.40-1,746,516,340.80-388,069,257.60

Finding the Fourth Proportional to 1,164,182,486.40, 1,746,516,340.80 and 388,069,257.60

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Solution

The fourth proportional to 1,164,182,486.40, 1,746,516,340.80 and 388,069,257.60 is: 582,184,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,182,486.40 : 1,746,516,340.80 = 388,069,257.60 : x
  2. Step 2: Convert to fraction form
    1,164,182,486.40/1,746,516,340.80 = 388,069,257.60/x
  3. Step 3: Cross multiply
    1,164,182,486.40x = 1,746,516,340.80 × 388,069,257.60
  4. Step 4: Simplify right side
    1,164,182,486.40x = 677,769,299,760,524,672
  5. Step 5: Solve for x
    x = 677,769,299,760,524,672/1,164,182,486.40
  6. Step 6: Final answer
    x = 582,184,758.56

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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.