Home / 7,674,933,614.40-11,512,400,421.60-7,123,935,585.60

Finding the Fourth Proportional to 7,674,933,614.40, 11,512,400,421.60 and 7,123,935,585.60

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Solution

The fourth proportional to 7,674,933,614.40, 11,512,400,421.60 and 7,123,935,585.60 is: 10,685,903,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674,933,614.40 : 11,512,400,421.60 = 7,123,935,585.60 : x
  2. Step 2: Convert to fraction form
    7,674,933,614.40/11,512,400,421.60 = 7,123,935,585.60/x
  3. Step 3: Cross multiply
    7,674,933,614.40x = 11,512,400,421.60 × 7,123,935,585.60
  4. Step 4: Simplify right side
    7,674,933,614.40x = 82,013,599,039,112,691,712
  5. Step 5: Solve for x
    x = 82,013,599,039,112,691,712/7,674,933,614.40
  6. Step 6: Final answer
    x = 10,685,903,378.40

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Double scale
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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.