Home / 1,638,139,616.70-2,457,209,425.05-603,742,854.30

Finding the Fourth Proportional to 1,638,139,616.70, 2,457,209,425.05 and 603,742,854.30

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Solution

The fourth proportional to 1,638,139,616.70, 2,457,209,425.05 and 603,742,854.30 is: 905,614,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,139,616.70 : 2,457,209,425.05 = 603,742,854.30 : x
  2. Step 2: Convert to fraction form
    1,638,139,616.70/2,457,209,425.05 = 603,742,854.30/x
  3. Step 3: Cross multiply
    1,638,139,616.70x = 2,457,209,425.05 × 603,742,854.30
  4. Step 4: Simplify right side
    1,638,139,616.70x = 1,483,522,631,892,548,864
  5. Step 5: Solve for x
    x = 1,483,522,631,892,548,864/1,638,139,616.70
  6. Step 6: Final answer
    x = 905,614,281.45

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Double scale
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Similar ratio
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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.