Home / 64,679,395,940.80-97,019,093,911.20-55,210,392,779.20

Finding the Fourth Proportional to 64,679,395,940.80, 97,019,093,911.20 and 55,210,392,779.20

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Solution

The fourth proportional to 64,679,395,940.80, 97,019,093,911.20 and 55,210,392,779.20 is: 82,815,589,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,679,395,940.80 : 97,019,093,911.20 = 55,210,392,779.20 : x
  2. Step 2: Convert to fraction form
    64,679,395,940.80/97,019,093,911.20 = 55,210,392,779.20/x
  3. Step 3: Cross multiply
    64,679,395,940.80x = 97,019,093,911.20 × 55,210,392,779.20
  4. Step 4: Simplify right side
    64,679,395,940.80x = 5,356,462,281,919,442,190,336
  5. Step 5: Solve for x
    x = 5,356,462,281,919,442,190,336/64,679,395,940.80
  6. Step 6: Final answer
    x = 82,815,589,168.80

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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.