Home / 20,869,307,237.80-31,303,960,856.70-14,257,330,892.20

Finding the Fourth Proportional to 20,869,307,237.80, 31,303,960,856.70 and 14,257,330,892.20

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Solution

The fourth proportional to 20,869,307,237.80, 31,303,960,856.70 and 14,257,330,892.20 is: 21,385,996,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,869,307,237.80 : 31,303,960,856.70 = 14,257,330,892.20 : x
  2. Step 2: Convert to fraction form
    20,869,307,237.80/31,303,960,856.70 = 14,257,330,892.20/x
  3. Step 3: Cross multiply
    20,869,307,237.80x = 31,303,960,856.70 × 14,257,330,892.20
  4. Step 4: Simplify right side
    20,869,307,237.80x = 446,310,928,170,448,519,168
  5. Step 5: Solve for x
    x = 446,310,928,170,448,519,168/20,869,307,237.80
  6. Step 6: Final answer
    x = 21,385,996,338.30

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1.5x scale

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.