Home / 1,187,244,784,106.30-1,638,307,887,084.80-666,299,591,024.43

Finding the Fourth Proportional to 1,187,244,784,106.30, 1,638,307,887,084.80 and 666,299,591,024.43

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Solution

The fourth proportional to 1,187,244,784,106.30, 1,638,307,887,084.80 and 666,299,591,024.43 is: 919,442,973,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,244,784,106.30 : 1,638,307,887,084.80 = 666,299,591,024.43 : x
  2. Step 2: Convert to fraction form
    1,187,244,784,106.30/1,638,307,887,084.80 = 666,299,591,024.43/x
  3. Step 3: Cross multiply
    1,187,244,784,106.30x = 1,638,307,887,084.80 × 666,299,591,024.43
  4. Step 4: Simplify right side
    1,187,244,784,106.30x = 1,091,603,875,136,700,371,959,808
  5. Step 5: Solve for x
    x = 1,091,603,875,136,700,371,959,808/1,187,244,784,106.30
  6. Step 6: Final answer
    x = 919,442,973,976.43

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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.