Home / 4,886,947,815.60-7,330,421,723.40-1,781,631,764.40

Finding the Fourth Proportional to 4,886,947,815.60, 7,330,421,723.40 and 1,781,631,764.40

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Solution

The fourth proportional to 4,886,947,815.60, 7,330,421,723.40 and 1,781,631,764.40 is: 2,672,447,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886,947,815.60 : 7,330,421,723.40 = 1,781,631,764.40 : x
  2. Step 2: Convert to fraction form
    4,886,947,815.60/7,330,421,723.40 = 1,781,631,764.40/x
  3. Step 3: Cross multiply
    4,886,947,815.60x = 7,330,421,723.40 × 1,781,631,764.40
  4. Step 4: Simplify right side
    4,886,947,815.60x = 13,060,112,188,857,231,360
  5. Step 5: Solve for x
    x = 13,060,112,188,857,231,360/4,886,947,815.60
  6. Step 6: Final answer
    x = 2,672,447,646.60

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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.