Home / 1,172,605,026.09-1,618,189,055.13-636,751,904.46

Finding the Fourth Proportional to 1,172,605,026.09, 1,618,189,055.13 and 636,751,904.46

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Solution

The fourth proportional to 1,172,605,026.09, 1,618,189,055.13 and 636,751,904.46 is: 878,714,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,605,026.09 : 1,618,189,055.13 = 636,751,904.46 : x
  2. Step 2: Convert to fraction form
    1,172,605,026.09/1,618,189,055.13 = 636,751,904.46/x
  3. Step 3: Cross multiply
    1,172,605,026.09x = 1,618,189,055.13 × 636,751,904.46
  4. Step 4: Simplify right side
    1,172,605,026.09x = 1,030,384,962,630,355,584
  5. Step 5: Solve for x
    x = 1,030,384,962,630,355,584/1,172,605,026.09
  6. Step 6: Final answer
    x = 878,714,434.70

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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.