Home / 1,187,244,784,109.30-1,638,307,887,089-666,299,591,027.43

Finding the Fourth Proportional to 1,187,244,784,109.30, 1,638,307,887,089 and 666,299,591,027.43

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Solution

The fourth proportional to 1,187,244,784,109.30, 1,638,307,887,089 and 666,299,591,027.43 is: 919,442,973,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,244,784,109.30 : 1,638,307,887,089 = 666,299,591,027.43 : x
  2. Step 2: Convert to fraction form
    1,187,244,784,109.30/1,638,307,887,089 = 666,299,591,027.43/x
  3. Step 3: Cross multiply
    1,187,244,784,109.30x = 1,638,307,887,089 × 666,299,591,027.43
  4. Step 4: Simplify right side
    1,187,244,784,109.30x = 1,091,603,875,144,413,730,570,240
  5. Step 5: Solve for x
    x = 1,091,603,875,144,413,730,570,240/1,187,244,784,109.30
  6. Step 6: Final answer
    x = 919,442,973,980.60

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Double scale
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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.