Home / 1,133,205,786.08-1,563,830,188.24-657,178,392.32

Finding the Fourth Proportional to 1,133,205,786.08, 1,563,830,188.24 and 657,178,392.32

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Solution

The fourth proportional to 1,133,205,786.08, 1,563,830,188.24 and 657,178,392.32 is: 906,909,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,205,786.08 : 1,563,830,188.24 = 657,178,392.32 : x
  2. Step 2: Convert to fraction form
    1,133,205,786.08/1,563,830,188.24 = 657,178,392.32/x
  3. Step 3: Cross multiply
    1,133,205,786.08x = 1,563,830,188.24 × 657,178,392.32
  4. Step 4: Simplify right side
    1,133,205,786.08x = 1,027,715,408,969,046,272
  5. Step 5: Solve for x
    x = 1,027,715,408,969,046,272/1,133,205,786.08
  6. Step 6: Final answer
    x = 906,909,778.96

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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.