Home / 1,171,922,440.81-1,617,254,740.03-636,074,298.20

Finding the Fourth Proportional to 1,171,922,440.81, 1,617,254,740.03 and 636,074,298.20

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Solution

The fourth proportional to 1,171,922,440.81, 1,617,254,740.03 and 636,074,298.20 is: 877,783,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,922,440.81 : 1,617,254,740.03 = 636,074,298.20 : x
  2. Step 2: Convert to fraction form
    1,171,922,440.81/1,617,254,740.03 = 636,074,298.20/x
  3. Step 3: Cross multiply
    1,171,922,440.81x = 1,617,254,740.03 × 636,074,298.20
  4. Step 4: Simplify right side
    1,171,922,440.81x = 1,028,694,173,775,205,760
  5. Step 5: Solve for x
    x = 1,028,694,173,775,205,760/1,171,922,440.81
  6. Step 6: Final answer
    x = 877,783,493.14

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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.