Home / 5,298,383,614.59-7,311,439,938.47-2,919,388,420.89

Finding the Fourth Proportional to 5,298,383,614.59, 7,311,439,938.47 and 2,919,388,420.89

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Solution

The fourth proportional to 5,298,383,614.59, 7,311,439,938.47 and 2,919,388,420.89 is: 4,028,574,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298,383,614.59 : 7,311,439,938.47 = 2,919,388,420.89 : x
  2. Step 2: Convert to fraction form
    5,298,383,614.59/7,311,439,938.47 = 2,919,388,420.89/x
  3. Step 3: Cross multiply
    5,298,383,614.59x = 7,311,439,938.47 × 2,919,388,420.89
  4. Step 4: Simplify right side
    5,298,383,614.59x = 21,344,933,096,387,416,064
  5. Step 5: Solve for x
    x = 21,344,933,096,387,416,064/5,298,383,614.59
  6. Step 6: Final answer
    x = 4,028,574,495.36

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.