Home / 1,168,840,715.22-1,612,551,412.47-667,077,378.18

Finding the Fourth Proportional to 1,168,840,715.22, 1,612,551,412.47 and 667,077,378.18

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Solution

The fourth proportional to 1,168,840,715.22, 1,612,551,412.47 and 667,077,378.18 is: 920,310,658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,840,715.22 : 1,612,551,412.47 = 667,077,378.18 : x
  2. Step 2: Convert to fraction form
    1,168,840,715.22/1,612,551,412.47 = 667,077,378.18/x
  3. Step 3: Cross multiply
    1,168,840,715.22x = 1,612,551,412.47 × 667,077,378.18
  4. Step 4: Simplify right side
    1,168,840,715.22x = 1,075,696,568,410,943,232
  5. Step 5: Solve for x
    x = 1,075,696,568,410,943,232/1,168,840,715.22
  6. Step 6: Final answer
    x = 920,310,658.59

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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.