Home / 1,086,850,987.65-1,637,536,075.72-983,352,858.57

Finding the Fourth Proportional to 1,086,850,987.65, 1,637,536,075.72 and 983,352,858.57

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Solution

The fourth proportional to 1,086,850,987.65, 1,637,536,075.72 and 983,352,858.57 is: 1,481,597,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,850,987.65 : 1,637,536,075.72 = 983,352,858.57 : x
  2. Step 2: Convert to fraction form
    1,086,850,987.65/1,637,536,075.72 = 983,352,858.57/x
  3. Step 3: Cross multiply
    1,086,850,987.65x = 1,637,536,075.72 × 983,352,858.57
  4. Step 4: Simplify right side
    1,086,850,987.65x = 1,610,275,781,068,303,616
  5. Step 5: Solve for x
    x = 1,610,275,781,068,303,616/1,086,850,987.65
  6. Step 6: Final answer
    x = 1,481,597,568.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.