Home / 12,281,232,330.96-18,373,378,028.08-9,301,877,968.36

Finding the Fourth Proportional to 12,281,232,330.96, 18,373,378,028.08 and 9,301,877,968.36

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Solution

The fourth proportional to 12,281,232,330.96, 18,373,378,028.08 and 9,301,877,968.36 is: 13,916,105,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281,232,330.96 : 18,373,378,028.08 = 9,301,877,968.36 : x
  2. Step 2: Convert to fraction form
    12,281,232,330.96/18,373,378,028.08 = 9,301,877,968.36/x
  3. Step 3: Cross multiply
    12,281,232,330.96x = 18,373,378,028.08 × 9,301,877,968.36
  4. Step 4: Simplify right side
    12,281,232,330.96x = 170,906,920,283,758,329,856
  5. Step 5: Solve for x
    x = 170,906,920,283,758,329,856/12,281,232,330.96
  6. Step 6: Final answer
    x = 13,916,105,133.27

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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.