Home / 1,259,713,055.40-1,889,569,583.10-1,208,694,719.40

Finding the Fourth Proportional to 1,259,713,055.40, 1,889,569,583.10 and 1,208,694,719.40

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Solution

The fourth proportional to 1,259,713,055.40, 1,889,569,583.10 and 1,208,694,719.40 is: 1,813,042,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,713,055.40 : 1,889,569,583.10 = 1,208,694,719.40 : x
  2. Step 2: Convert to fraction form
    1,259,713,055.40/1,889,569,583.10 = 1,208,694,719.40/x
  3. Step 3: Cross multiply
    1,259,713,055.40x = 1,889,569,583.10 × 1,208,694,719.40
  4. Step 4: Simplify right side
    1,259,713,055.40x = 2,283,912,777,031,829,504
  5. Step 5: Solve for x
    x = 2,283,912,777,031,829,504/1,259,713,055.40
  6. Step 6: Final answer
    x = 1,813,042,079.10

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Double scale
Find fourth proportional to 1,259,713,056.40, 1,889,569,584.60 and 1,208,694,720.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.