Home / 1,165,151,801.16-1,607,933,188.40-636,550,024.68

Finding the Fourth Proportional to 1,165,151,801.16, 1,607,933,188.40 and 636,550,024.68

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Solution

The fourth proportional to 1,165,151,801.16, 1,607,933,188.40 and 636,550,024.68 is: 878,451,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,151,801.16 : 1,607,933,188.40 = 636,550,024.68 : x
  2. Step 2: Convert to fraction form
    1,165,151,801.16/1,607,933,188.40 = 636,550,024.68/x
  3. Step 3: Cross multiply
    1,165,151,801.16x = 1,607,933,188.40 × 636,550,024.68
  4. Step 4: Simplify right side
    1,165,151,801.16x = 1,023,529,910,759,811,072
  5. Step 5: Solve for x
    x = 1,023,529,910,759,811,072/1,165,151,801.16
  6. Step 6: Final answer
    x = 878,451,983.46

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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.