Home / 1,107,352,075.80-1,661,028,113.70-1,090,133,387.40

Finding the Fourth Proportional to 1,107,352,075.80, 1,661,028,113.70 and 1,090,133,387.40

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Solution

The fourth proportional to 1,107,352,075.80, 1,661,028,113.70 and 1,090,133,387.40 is: 1,635,200,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,352,075.80 : 1,661,028,113.70 = 1,090,133,387.40 : x
  2. Step 2: Convert to fraction form
    1,107,352,075.80/1,661,028,113.70 = 1,090,133,387.40/x
  3. Step 3: Cross multiply
    1,107,352,075.80x = 1,661,028,113.70 × 1,090,133,387.40
  4. Step 4: Simplify right side
    1,107,352,075.80x = 1,810,742,204,154,413,568
  5. Step 5: Solve for x
    x = 1,810,742,204,154,413,568/1,107,352,075.80
  6. Step 6: Final answer
    x = 1,635,200,081.10

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Double scale
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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.