Home / 1,172,605,030.59-1,618,189,061.34-636,751,908.96

Finding the Fourth Proportional to 1,172,605,030.59, 1,618,189,061.34 and 636,751,908.96

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Solution

The fourth proportional to 1,172,605,030.59, 1,618,189,061.34 and 636,751,908.96 is: 878,714,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,605,030.59 : 1,618,189,061.34 = 636,751,908.96 : x
  2. Step 2: Convert to fraction form
    1,172,605,030.59/1,618,189,061.34 = 636,751,908.96/x
  3. Step 3: Cross multiply
    1,172,605,030.59x = 1,618,189,061.34 × 636,751,908.96
  4. Step 4: Simplify right side
    1,172,605,030.59x = 1,030,384,973,866,435,584
  5. Step 5: Solve for x
    x = 1,030,384,973,866,435,584/1,172,605,030.59
  6. Step 6: Final answer
    x = 878,714,440.91

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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.