Home / 1,187,244,784,081.10-1,638,307,887,050.10-666,299,590,999.30

Finding the Fourth Proportional to 1,187,244,784,081.10, 1,638,307,887,050.10 and 666,299,590,999.30

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Solution

The fourth proportional to 1,187,244,784,081.10, 1,638,307,887,050.10 and 666,299,590,999.30 is: 919,442,973,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,244,784,081.10 : 1,638,307,887,050.10 = 666,299,590,999.30 : x
  2. Step 2: Convert to fraction form
    1,187,244,784,081.10/1,638,307,887,050.10 = 666,299,590,999.30/x
  3. Step 3: Cross multiply
    1,187,244,784,081.10x = 1,638,307,887,050.10 × 666,299,590,999.30
  4. Step 4: Simplify right side
    1,187,244,784,081.10x = 1,091,603,875,072,409,140,723,712
  5. Step 5: Solve for x
    x = 1,091,603,875,072,409,140,723,712/1,187,244,784,081.10
  6. Step 6: Final answer
    x = 919,442,973,941.79

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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.