Home / 876,636,704.70-1,314,955,057.05-543,742,062.30

Finding the Fourth Proportional to 876,636,704.70, 1,314,955,057.05 and 543,742,062.30

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Solution

The fourth proportional to 876,636,704.70, 1,314,955,057.05 and 543,742,062.30 is: 815,613,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,636,704.70 : 1,314,955,057.05 = 543,742,062.30 : x
  2. Step 2: Convert to fraction form
    876,636,704.70/1,314,955,057.05 = 543,742,062.30/x
  3. Step 3: Cross multiply
    876,636,704.70x = 1,314,955,057.05 × 543,742,062.30
  4. Step 4: Simplify right side
    876,636,704.70x = 714,996,374,552,181,120
  5. Step 5: Solve for x
    x = 714,996,374,552,181,120/876,636,704.70
  6. Step 6: Final answer
    x = 815,613,093.45

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.