Home / 1,231,292,200.73-1,699,184,157.71-666,777,701.21

Finding the Fourth Proportional to 1,231,292,200.73, 1,699,184,157.71 and 666,777,701.21

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Solution

The fourth proportional to 1,231,292,200.73, 1,699,184,157.71 and 666,777,701.21 is: 920,153,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,292,200.73 : 1,699,184,157.71 = 666,777,701.21 : x
  2. Step 2: Convert to fraction form
    1,231,292,200.73/1,699,184,157.71 = 666,777,701.21/x
  3. Step 3: Cross multiply
    1,231,292,200.73x = 1,699,184,157.71 × 666,777,701.21
  4. Step 4: Simplify right side
    1,231,292,200.73x = 1,132,978,106,598,494,080
  5. Step 5: Solve for x
    x = 1,132,978,106,598,494,080/1,231,292,200.73
  6. Step 6: Final answer
    x = 920,153,726.25

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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.