Home / 1,213,719,126.48-1,674,932,396.40-656,802,173.34

Finding the Fourth Proportional to 1,213,719,126.48, 1,674,932,396.40 and 656,802,173.34

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Solution

The fourth proportional to 1,213,719,126.48, 1,674,932,396.40 and 656,802,173.34 is: 906,387,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,719,126.48 : 1,674,932,396.40 = 656,802,173.34 : x
  2. Step 2: Convert to fraction form
    1,213,719,126.48/1,674,932,396.40 = 656,802,173.34/x
  3. Step 3: Cross multiply
    1,213,719,126.48x = 1,674,932,396.40 × 656,802,173.34
  4. Step 4: Simplify right side
    1,213,719,126.48x = 1,100,099,238,153,094,528
  5. Step 5: Solve for x
    x = 1,100,099,238,153,094,528/1,213,719,126.48
  6. Step 6: Final answer
    x = 906,387,000.21

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Double scale
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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.