Home / 1,111,415,016.32-1,667,363,269.44-334,995,724.16

Finding the Fourth Proportional to 1,111,415,016.32, 1,667,363,269.44 and 334,995,724.16

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Solution

The fourth proportional to 1,111,415,016.32, 1,667,363,269.44 and 334,995,724.16 is: 502,566,150.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,415,016.32 : 1,667,363,269.44 = 334,995,724.16 : x
  2. Step 2: Convert to fraction form
    1,111,415,016.32/1,667,363,269.44 = 334,995,724.16/x
  3. Step 3: Cross multiply
    1,111,415,016.32x = 1,667,363,269.44 × 334,995,724.16
  4. Step 4: Simplify right side
    1,111,415,016.32x = 558,559,565,883,838,080
  5. Step 5: Solve for x
    x = 558,559,565,883,838,080/1,111,415,016.32
  6. Step 6: Final answer
    x = 502,566,150.07

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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.