Home / 901,020,245.13-1,243,533,907.06-650,933,755.20

Finding the Fourth Proportional to 901,020,245.13, 1,243,533,907.06 and 650,933,755.20

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Solution

The fourth proportional to 901,020,245.13, 1,243,533,907.06 and 650,933,755.20 is: 898,379,587.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,020,245.13 : 1,243,533,907.06 = 650,933,755.20 : x
  2. Step 2: Convert to fraction form
    901,020,245.13/1,243,533,907.06 = 650,933,755.20/x
  3. Step 3: Cross multiply
    901,020,245.13x = 1,243,533,907.06 × 650,933,755.20
  4. Step 4: Simplify right side
    901,020,245.13x = 809,458,195,839,466,240
  5. Step 5: Solve for x
    x = 809,458,195,839,466,240/901,020,245.13
  6. Step 6: Final answer
    x = 898,379,587.16

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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.