Home / 1,135,161,866.20-1,702,742,799.30-522,941,834.20

Finding the Fourth Proportional to 1,135,161,866.20, 1,702,742,799.30 and 522,941,834.20

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Solution

The fourth proportional to 1,135,161,866.20, 1,702,742,799.30 and 522,941,834.20 is: 784,412,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,161,866.20 : 1,702,742,799.30 = 522,941,834.20 : x
  2. Step 2: Convert to fraction form
    1,135,161,866.20/1,702,742,799.30 = 522,941,834.20/x
  3. Step 3: Cross multiply
    1,135,161,866.20x = 1,702,742,799.30 × 522,941,834.20
  4. Step 4: Simplify right side
    1,135,161,866.20x = 890,435,442,636,784,384
  5. Step 5: Solve for x
    x = 890,435,442,636,784,384/1,135,161,866.20
  6. Step 6: Final answer
    x = 784,412,751.30

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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.