Home / 1,321,482,803.69-1,983,097,484.91-622,174,928.13

Finding the Fourth Proportional to 1,321,482,803.69, 1,983,097,484.91 and 622,174,928.13

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Solution

The fourth proportional to 1,321,482,803.69, 1,983,097,484.91 and 622,174,928.13 is: 933,673,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,482,803.69 : 1,983,097,484.91 = 622,174,928.13 : x
  2. Step 2: Convert to fraction form
    1,321,482,803.69/1,983,097,484.91 = 622,174,928.13/x
  3. Step 3: Cross multiply
    1,321,482,803.69x = 1,983,097,484.91 × 622,174,928.13
  4. Step 4: Simplify right side
    1,321,482,803.69x = 1,233,833,535,150,760,960
  5. Step 5: Solve for x
    x = 1,233,833,535,150,760,960/1,321,482,803.69
  6. Step 6: Final answer
    x = 933,673,545.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.