Home / 1,213,056,660.60-1,819,584,990.90-971,191,956.60

Finding the Fourth Proportional to 1,213,056,660.60, 1,819,584,990.90 and 971,191,956.60

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Solution

The fourth proportional to 1,213,056,660.60, 1,819,584,990.90 and 971,191,956.60 is: 1,456,787,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,056,660.60 : 1,819,584,990.90 = 971,191,956.60 : x
  2. Step 2: Convert to fraction form
    1,213,056,660.60/1,819,584,990.90 = 971,191,956.60/x
  3. Step 3: Cross multiply
    1,213,056,660.60x = 1,819,584,990.90 × 971,191,956.60
  4. Step 4: Simplify right side
    1,213,056,660.60x = 1,767,166,307,512,164,352
  5. Step 5: Solve for x
    x = 1,767,166,307,512,164,352/1,213,056,660.60
  6. Step 6: Final answer
    x = 1,456,787,934.90

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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.