Home / 863,827,494.69-1,192,905,244.83-816,766,724.16

Finding the Fourth Proportional to 863,827,494.69, 1,192,905,244.83 and 816,766,724.16

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Solution

The fourth proportional to 863,827,494.69, 1,192,905,244.83 and 816,766,724.16 is: 1,127,916,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,827,494.69 : 1,192,905,244.83 = 816,766,724.16 : x
  2. Step 2: Convert to fraction form
    863,827,494.69/1,192,905,244.83 = 816,766,724.16/x
  3. Step 3: Cross multiply
    863,827,494.69x = 1,192,905,244.83 × 816,766,724.16
  4. Step 4: Simplify right side
    863,827,494.69x = 974,325,309,053,081,728
  5. Step 5: Solve for x
    x = 974,325,309,053,081,728/863,827,494.69
  6. Step 6: Final answer
    x = 1,127,916,528.52

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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.