Home / 1,187,244,784,081.60-1,638,307,887,050.70-666,299,590,999.80

Finding the Fourth Proportional to 1,187,244,784,081.60, 1,638,307,887,050.70 and 666,299,590,999.80

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Solution

The fourth proportional to 1,187,244,784,081.60, 1,638,307,887,050.70 and 666,299,590,999.80 is: 919,442,973,942.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,244,784,081.60 : 1,638,307,887,050.70 = 666,299,590,999.80 : x
  2. Step 2: Convert to fraction form
    1,187,244,784,081.60/1,638,307,887,050.70 = 666,299,590,999.80/x
  3. Step 3: Cross multiply
    1,187,244,784,081.60x = 1,638,307,887,050.70 × 666,299,590,999.80
  4. Step 4: Simplify right side
    1,187,244,784,081.60x = 1,091,603,875,073,627,971,911,680
  5. Step 5: Solve for x
    x = 1,091,603,875,073,627,971,911,680/1,187,244,784,081.60
  6. Step 6: Final answer
    x = 919,442,973,942.43

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Double scale
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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.