Home / 1,383,712,857.22-1,909,523,666.37-757,181,360.74

Finding the Fourth Proportional to 1,383,712,857.22, 1,909,523,666.37 and 757,181,360.74

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Solution

The fourth proportional to 1,383,712,857.22, 1,909,523,666.37 and 757,181,360.74 is: 1,044,910,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,712,857.22 : 1,909,523,666.37 = 757,181,360.74 : x
  2. Step 2: Convert to fraction form
    1,383,712,857.22/1,909,523,666.37 = 757,181,360.74/x
  3. Step 3: Cross multiply
    1,383,712,857.22x = 1,909,523,666.37 × 757,181,360.74
  4. Step 4: Simplify right side
    1,383,712,857.22x = 1,445,855,728,067,270,400
  5. Step 5: Solve for x
    x = 1,445,855,728,067,270,400/1,383,712,857.22
  6. Step 6: Final answer
    x = 1,044,910,235.91

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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.