Home / 7,965,856,985.40-11,948,785,478.10-3,369,830,412.60

Finding the Fourth Proportional to 7,965,856,985.40, 11,948,785,478.10 and 3,369,830,412.60

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Solution

The fourth proportional to 7,965,856,985.40, 11,948,785,478.10 and 3,369,830,412.60 is: 5,054,745,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965,856,985.40 : 11,948,785,478.10 = 3,369,830,412.60 : x
  2. Step 2: Convert to fraction form
    7,965,856,985.40/11,948,785,478.10 = 3,369,830,412.60/x
  3. Step 3: Cross multiply
    7,965,856,985.40x = 11,948,785,478.10 × 3,369,830,412.60
  4. Step 4: Simplify right side
    7,965,856,985.40x = 40,265,380,697,734,610,944
  5. Step 5: Solve for x
    x = 40,265,380,697,734,610,944/7,965,856,985.40
  6. Step 6: Final answer
    x = 5,054,745,618.90

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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.