Home / 1,293,274,199.53-1,784,719,111.31-698,558,680.81

Finding the Fourth Proportional to 1,293,274,199.53, 1,784,719,111.31 and 698,558,680.81

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Solution

The fourth proportional to 1,293,274,199.53, 1,784,719,111.31 and 698,558,680.81 is: 964,011,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,274,199.53 : 1,784,719,111.31 = 698,558,680.81 : x
  2. Step 2: Convert to fraction form
    1,293,274,199.53/1,784,719,111.31 = 698,558,680.81/x
  3. Step 3: Cross multiply
    1,293,274,199.53x = 1,784,719,111.31 × 698,558,680.81
  4. Step 4: Simplify right side
    1,293,274,199.53x = 1,246,731,028,009,616,384
  5. Step 5: Solve for x
    x = 1,246,731,028,009,616,384/1,293,274,199.53
  6. Step 6: Final answer
    x = 964,011,366.24

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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.