Home / 1,165,349,928.96-1,608,163,874.56-636,702,538.24

Finding the Fourth Proportional to 1,165,349,928.96, 1,608,163,874.56 and 636,702,538.24

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Solution

The fourth proportional to 1,165,349,928.96, 1,608,163,874.56 and 636,702,538.24 is: 878,639,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,349,928.96 : 1,608,163,874.56 = 636,702,538.24 : x
  2. Step 2: Convert to fraction form
    1,165,349,928.96/1,608,163,874.56 = 636,702,538.24/x
  3. Step 3: Cross multiply
    1,165,349,928.96x = 1,608,163,874.56 × 636,702,538.24
  4. Step 4: Simplify right side
    1,165,349,928.96x = 1,023,922,020,838,224,896
  5. Step 5: Solve for x
    x = 1,023,922,020,838,224,896/1,165,349,928.96
  6. Step 6: Final answer
    x = 878,639,106.93

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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.