Home / 748,014,779.30-1,122,022,168.95-202,756,313.30

Finding the Fourth Proportional to 748,014,779.30, 1,122,022,168.95 and 202,756,313.30

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Solution

The fourth proportional to 748,014,779.30, 1,122,022,168.95 and 202,756,313.30 is: 304,134,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,014,779.30 : 1,122,022,168.95 = 202,756,313.30 : x
  2. Step 2: Convert to fraction form
    748,014,779.30/1,122,022,168.95 = 202,756,313.30/x
  3. Step 3: Cross multiply
    748,014,779.30x = 1,122,022,168.95 × 202,756,313.30
  4. Step 4: Simplify right side
    748,014,779.30x = 227,497,078,417,171,744
  5. Step 5: Solve for x
    x = 227,497,078,417,171,744/748,014,779.30
  6. Step 6: Final answer
    x = 304,134,469.95

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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.