Home / 1,314,144,150.60-1,971,216,225.90-669,171,606.60

Finding the Fourth Proportional to 1,314,144,150.60, 1,971,216,225.90 and 669,171,606.60

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Solution

The fourth proportional to 1,314,144,150.60, 1,971,216,225.90 and 669,171,606.60 is: 1,003,757,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,144,150.60 : 1,971,216,225.90 = 669,171,606.60 : x
  2. Step 2: Convert to fraction form
    1,314,144,150.60/1,971,216,225.90 = 669,171,606.60/x
  3. Step 3: Cross multiply
    1,314,144,150.60x = 1,971,216,225.90 × 669,171,606.60
  4. Step 4: Simplify right side
    1,314,144,150.60x = 1,319,081,928,841,491,712
  5. Step 5: Solve for x
    x = 1,319,081,928,841,491,712/1,314,144,150.60
  6. Step 6: Final answer
    x = 1,003,757,409.90

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Double scale
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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.