Home / 27,428,973,368.70-41,143,460,053.05-21,918,993,080.70

Finding the Fourth Proportional to 27,428,973,368.70, 41,143,460,053.05 and 21,918,993,080.70

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Solution

The fourth proportional to 27,428,973,368.70, 41,143,460,053.05 and 21,918,993,080.70 is: 32,878,489,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428,973,368.70 : 41,143,460,053.05 = 21,918,993,080.70 : x
  2. Step 2: Convert to fraction form
    27,428,973,368.70/41,143,460,053.05 = 21,918,993,080.70/x
  3. Step 3: Cross multiply
    27,428,973,368.70x = 41,143,460,053.05 × 21,918,993,080.70
  4. Step 4: Simplify right side
    27,428,973,368.70x = 901,823,216,218,859,896,832
  5. Step 5: Solve for x
    x = 901,823,216,218,859,896,832/27,428,973,368.70
  6. Step 6: Final answer
    x = 32,878,489,621.05

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Double scale
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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.