Home / 8,551,322,421.90-11,796,631,455.81-7,420,705,314

Finding the Fourth Proportional to 8,551,322,421.90, 11,796,631,455.81 and 7,420,705,314

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Solution

The fourth proportional to 8,551,322,421.90, 11,796,631,455.81 and 7,420,705,314 is: 10,236,934,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551,322,421.90 : 11,796,631,455.81 = 7,420,705,314 : x
  2. Step 2: Convert to fraction form
    8,551,322,421.90/11,796,631,455.81 = 7,420,705,314/x
  3. Step 3: Cross multiply
    8,551,322,421.90x = 11,796,631,455.81 × 7,420,705,314
  4. Step 4: Simplify right side
    8,551,322,421.90x = 87,539,325,731,428,827,136
  5. Step 5: Solve for x
    x = 87,539,325,731,428,827,136/8,551,322,421.90
  6. Step 6: Final answer
    x = 10,236,934,290.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.