Home / 1,166,921,419.12-1,610,356,410.15-631,073,084.07

Finding the Fourth Proportional to 1,166,921,419.12, 1,610,356,410.15 and 631,073,084.07

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Solution

The fourth proportional to 1,166,921,419.12, 1,610,356,410.15 and 631,073,084.07 is: 870,883,479.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,921,419.12 : 1,610,356,410.15 = 631,073,084.07 : x
  2. Step 2: Convert to fraction form
    1,166,921,419.12/1,610,356,410.15 = 631,073,084.07/x
  3. Step 3: Cross multiply
    1,166,921,419.12x = 1,610,356,410.15 × 631,073,084.07
  4. Step 4: Simplify right side
    1,166,921,419.12x = 1,016,252,586,196,880,512
  5. Step 5: Solve for x
    x = 1,016,252,586,196,880,512/1,166,921,419.12
  6. Step 6: Final answer
    x = 870,883,479.85

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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.