Home / 1,712,067,899.76-2,563,742,231.28-1,128,031,510.68

Finding the Fourth Proportional to 1,712,067,899.76, 2,563,742,231.28 and 1,128,031,510.68

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Solution

The fourth proportional to 1,712,067,899.76, 2,563,742,231.28 and 1,128,031,510.68 is: 1,689,174,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,067,899.76 : 2,563,742,231.28 = 1,128,031,510.68 : x
  2. Step 2: Convert to fraction form
    1,712,067,899.76/2,563,742,231.28 = 1,128,031,510.68/x
  3. Step 3: Cross multiply
    1,712,067,899.76x = 2,563,742,231.28 × 1,128,031,510.68
  4. Step 4: Simplify right side
    1,712,067,899.76x = 2,891,982,022,144,892,928
  5. Step 5: Solve for x
    x = 2,891,982,022,144,892,928/1,712,067,899.76
  6. Step 6: Final answer
    x = 1,689,174,840.88

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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.