Home / 1,311,837,777.44-1,810,348,178.88-747,314,292.32

Finding the Fourth Proportional to 1,311,837,777.44, 1,810,348,178.88 and 747,314,292.32

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Solution

The fourth proportional to 1,311,837,777.44, 1,810,348,178.88 and 747,314,292.32 is: 1,031,300,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,837,777.44 : 1,810,348,178.88 = 747,314,292.32 : x
  2. Step 2: Convert to fraction form
    1,311,837,777.44/1,810,348,178.88 = 747,314,292.32/x
  3. Step 3: Cross multiply
    1,311,837,777.44x = 1,810,348,178.88 × 747,314,292.32
  4. Step 4: Simplify right side
    1,311,837,777.44x = 1,352,899,068,152,508,160
  5. Step 5: Solve for x
    x = 1,352,899,068,152,508,160/1,311,837,777.44
  6. Step 6: Final answer
    x = 1,031,300,585.65

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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.