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Finding the Fourth Proportional to 3,742,773,978.80, 5,614,160,968.20 and 982,682,001.20

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Solution

The fourth proportional to 3,742,773,978.80, 5,614,160,968.20 and 982,682,001.20 is: 1,474,023,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742,773,978.80 : 5,614,160,968.20 = 982,682,001.20 : x
  2. Step 2: Convert to fraction form
    3,742,773,978.80/5,614,160,968.20 = 982,682,001.20/x
  3. Step 3: Cross multiply
    3,742,773,978.80x = 5,614,160,968.20 × 982,682,001.20
  4. Step 4: Simplify right side
    3,742,773,978.80x = 5,516,934,935,289,705,472
  5. Step 5: Solve for x
    x = 5,516,934,935,289,705,472/3,742,773,978.80
  6. Step 6: Final answer
    x = 1,474,023,001.80

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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.