Home / 1,135,161,867.70-1,702,742,801.55-522,941,835.70

Finding the Fourth Proportional to 1,135,161,867.70, 1,702,742,801.55 and 522,941,835.70

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Solution

The fourth proportional to 1,135,161,867.70, 1,702,742,801.55 and 522,941,835.70 is: 784,412,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,161,867.70 : 1,702,742,801.55 = 522,941,835.70 : x
  2. Step 2: Convert to fraction form
    1,135,161,867.70/1,702,742,801.55 = 522,941,835.70/x
  3. Step 3: Cross multiply
    1,135,161,867.70x = 1,702,742,801.55 × 522,941,835.70
  4. Step 4: Simplify right side
    1,135,161,867.70x = 890,435,446,367,517,824
  5. Step 5: Solve for x
    x = 890,435,446,367,517,824/1,135,161,867.70
  6. Step 6: Final answer
    x = 784,412,753.55

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Half scale
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Double scale
Find fourth proportional to 1,135,161,868.70, 1,702,742,803.05 and 522,941,836.70
Similar ratio
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1.5x scale

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.