Home / 936,224,321.57-1,291,499,734.71-578,877,868.11

Finding the Fourth Proportional to 936,224,321.57, 1,291,499,734.71 and 578,877,868.11

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Solution

The fourth proportional to 936,224,321.57, 1,291,499,734.71 and 578,877,868.11 is: 798,548,591.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,224,321.57 : 1,291,499,734.71 = 578,877,868.11 : x
  2. Step 2: Convert to fraction form
    936,224,321.57/1,291,499,734.71 = 578,877,868.11/x
  3. Step 3: Cross multiply
    936,224,321.57x = 1,291,499,734.71 × 578,877,868.11
  4. Step 4: Simplify right side
    936,224,321.57x = 747,620,613,093,555,456
  5. Step 5: Solve for x
    x = 747,620,613,093,555,456/936,224,321.57
  6. Step 6: Final answer
    x = 798,548,591.26

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Half scale
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Double scale
Find fourth proportional to 936,224,322.57, 1,291,499,736.09 and 578,877,869.11
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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.