Home / 1,573,109,238,740.50-2,170,867,646,057.20-878,659,931,102.98

Finding the Fourth Proportional to 1,573,109,238,740.50, 2,170,867,646,057.20 and 878,659,931,102.98

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Solution

The fourth proportional to 1,573,109,238,740.50, 2,170,867,646,057.20 and 878,659,931,102.98 is: 1,212,537,800,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,109,238,740.50 : 2,170,867,646,057.20 = 878,659,931,102.98 : x
  2. Step 2: Convert to fraction form
    1,573,109,238,740.50/2,170,867,646,057.20 = 878,659,931,102.98/x
  3. Step 3: Cross multiply
    1,573,109,238,740.50x = 2,170,867,646,057.20 × 878,659,931,102.98
  4. Step 4: Simplify right side
    1,573,109,238,740.50x = 1,907,454,416,318,307,546,169,344
  5. Step 5: Solve for x
    x = 1,907,454,416,318,307,546,169,344/1,573,109,238,740.50
  6. Step 6: Final answer
    x = 1,212,537,800,518.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.