Home / 85,619,189,354.36-128,233,151,631.24-40,882,020,299.24

Finding the Fourth Proportional to 85,619,189,354.36, 128,233,151,631.24 and 40,882,020,299.24

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Solution

The fourth proportional to 85,619,189,354.36, 128,233,151,631.24 and 40,882,020,299.24 is: 61,229,618,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,619,189,354.36 : 128,233,151,631.24 = 40,882,020,299.24 : x
  2. Step 2: Convert to fraction form
    85,619,189,354.36/128,233,151,631.24 = 40,882,020,299.24/x
  3. Step 3: Cross multiply
    85,619,189,354.36x = 128,233,151,631.24 × 40,882,020,299.24
  4. Step 4: Simplify right side
    85,619,189,354.36x = 5,242,430,308,023,874,355,200
  5. Step 5: Solve for x
    x = 5,242,430,308,023,874,355,200/85,619,189,354.36
  6. Step 6: Final answer
    x = 61,229,618,588.50

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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.