Home / 1,149,605,724.71-1,586,455,654.80-620,969,716.23

Finding the Fourth Proportional to 1,149,605,724.71, 1,586,455,654.80 and 620,969,716.23

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Solution

The fourth proportional to 1,149,605,724.71, 1,586,455,654.80 and 620,969,716.23 is: 856,938,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,605,724.71 : 1,586,455,654.80 = 620,969,716.23 : x
  2. Step 2: Convert to fraction form
    1,149,605,724.71/1,586,455,654.80 = 620,969,716.23/x
  3. Step 3: Cross multiply
    1,149,605,724.71x = 1,586,455,654.80 × 620,969,716.23
  4. Step 4: Simplify right side
    1,149,605,724.71x = 985,140,917,772,634,880
  5. Step 5: Solve for x
    x = 985,140,917,772,634,880/1,149,605,724.71
  6. Step 6: Final answer
    x = 856,938,075.90

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Half scale
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Double scale
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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.