Home / 386,724,200.70-579,235,995.45-335,705,864.70

Finding the Fourth Proportional to 386,724,200.70, 579,235,995.45 and 335,705,864.70

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Solution

The fourth proportional to 386,724,200.70, 579,235,995.45 and 335,705,864.70 is: 502,820,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,724,200.70 : 579,235,995.45 = 335,705,864.70 : x
  2. Step 2: Convert to fraction form
    386,724,200.70/579,235,995.45 = 335,705,864.70/x
  3. Step 3: Cross multiply
    386,724,200.70x = 579,235,995.45 × 335,705,864.70
  4. Step 4: Simplify right side
    386,724,200.70x = 194,452,920,717,907,520
  5. Step 5: Solve for x
    x = 194,452,920,717,907,520/386,724,200.70
  6. Step 6: Final answer
    x = 502,820,667.46

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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.