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Finding the Fourth Proportional to 1,269,087,330.56, 1,751,346,854.87 and 793,054,116.80

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Solution

The fourth proportional to 1,269,087,330.56, 1,751,346,854.87 and 793,054,116.80 is: 1,094,418,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,087,330.56 : 1,751,346,854.87 = 793,054,116.80 : x
  2. Step 2: Convert to fraction form
    1,269,087,330.56/1,751,346,854.87 = 793,054,116.80/x
  3. Step 3: Cross multiply
    1,269,087,330.56x = 1,751,346,854.87 × 793,054,116.80
  4. Step 4: Simplify right side
    1,269,087,330.56x = 1,388,912,833,199,385,344
  5. Step 5: Solve for x
    x = 1,388,912,833,199,385,344/1,269,087,330.56
  6. Step 6: Final answer
    x = 1,094,418,642.24

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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.