Home / 13,928,081,196.60-20,864,912,015.70-8,390,891,129.40

Finding the Fourth Proportional to 13,928,081,196.60, 20,864,912,015.70 and 8,390,891,129.40

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Solution

The fourth proportional to 13,928,081,196.60, 20,864,912,015.70 and 8,390,891,129.40 is: 12,569,944,321.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928,081,196.60 : 20,864,912,015.70 = 8,390,891,129.40 : x
  2. Step 2: Convert to fraction form
    13,928,081,196.60/20,864,912,015.70 = 8,390,891,129.40/x
  3. Step 3: Cross multiply
    13,928,081,196.60x = 20,864,912,015.70 × 8,390,891,129.40
  4. Step 4: Simplify right side
    13,928,081,196.60x = 175,075,205,148,248,604,672
  5. Step 5: Solve for x
    x = 175,075,205,148,248,604,672/13,928,081,196.60
  6. Step 6: Final answer
    x = 12,569,944,321.62

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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.