Home / 21,835,813,291.20-32,753,719,936.80-20,978,705,246.40

Finding the Fourth Proportional to 21,835,813,291.20, 32,753,719,936.80 and 20,978,705,246.40

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Solution

The fourth proportional to 21,835,813,291.20, 32,753,719,936.80 and 20,978,705,246.40 is: 31,468,057,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,835,813,291.20 : 32,753,719,936.80 = 20,978,705,246.40 : x
  2. Step 2: Convert to fraction form
    21,835,813,291.20/32,753,719,936.80 = 20,978,705,246.40/x
  3. Step 3: Cross multiply
    21,835,813,291.20x = 32,753,719,936.80 × 20,978,705,246.40
  4. Step 4: Simplify right side
    21,835,813,291.20x = 687,130,636,277,262,450,688
  5. Step 5: Solve for x
    x = 687,130,636,277,262,450,688/21,835,813,291.20
  6. Step 6: Final answer
    x = 31,468,057,869.60

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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.