Home / 85,812,048,910.40-128,718,073,365.60-85,812,048,910.40

Finding the Fourth Proportional to 85,812,048,910.40, 128,718,073,365.60 and 85,812,048,910.40

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Solution

The fourth proportional to 85,812,048,910.40, 128,718,073,365.60 and 85,812,048,910.40 is: 128,718,073,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,812,048,910.40 : 128,718,073,365.60 = 85,812,048,910.40 : x
  2. Step 2: Convert to fraction form
    85,812,048,910.40/128,718,073,365.60 = 85,812,048,910.40/x
  3. Step 3: Cross multiply
    85,812,048,910.40x = 128,718,073,365.60 × 85,812,048,910.40
  4. Step 4: Simplify right side
    85,812,048,910.40x = 11,045,561,607,301,321,719,808
  5. Step 5: Solve for x
    x = 11,045,561,607,301,321,719,808/85,812,048,910.40
  6. Step 6: Final answer
    x = 128,718,073,365.60

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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.