Home / 2,087,742,968.38-3,129,545,911.43-980,365,510.14

Finding the Fourth Proportional to 2,087,742,968.38, 3,129,545,911.43 and 980,365,510.14

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Solution

The fourth proportional to 2,087,742,968.38, 3,129,545,911.43 and 980,365,510.14 is: 1,469,576,916.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,742,968.38 : 3,129,545,911.43 = 980,365,510.14 : x
  2. Step 2: Convert to fraction form
    2,087,742,968.38/3,129,545,911.43 = 980,365,510.14/x
  3. Step 3: Cross multiply
    2,087,742,968.38x = 3,129,545,911.43 × 980,365,510.14
  4. Step 4: Simplify right side
    2,087,742,968.38x = 3,068,098,873,945,073,664
  5. Step 5: Solve for x
    x = 3,068,098,873,945,073,664/2,087,742,968.38
  6. Step 6: Final answer
    x = 1,469,576,916.51

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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.