Home / 1,417,216,936.40-2,125,825,404.60-1,290,237,966.80

Finding the Fourth Proportional to 1,417,216,936.40, 2,125,825,404.60 and 1,290,237,966.80

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Solution

The fourth proportional to 1,417,216,936.40, 2,125,825,404.60 and 1,290,237,966.80 is: 1,935,356,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,216,936.40 : 2,125,825,404.60 = 1,290,237,966.80 : x
  2. Step 2: Convert to fraction form
    1,417,216,936.40/2,125,825,404.60 = 1,290,237,966.80/x
  3. Step 3: Cross multiply
    1,417,216,936.40x = 2,125,825,404.60 × 1,290,237,966.80
  4. Step 4: Simplify right side
    1,417,216,936.40x = 2,742,820,647,802,891,264
  5. Step 5: Solve for x
    x = 2,742,820,647,802,891,264/1,417,216,936.40
  6. Step 6: Final answer
    x = 1,935,356,950.20

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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.