Home / 386,724,214.20-579,236,015.70-335,705,878.20

Finding the Fourth Proportional to 386,724,214.20, 579,236,015.70 and 335,705,878.20

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Solution

The fourth proportional to 386,724,214.20, 579,236,015.70 and 335,705,878.20 is: 502,820,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,724,214.20 : 579,236,015.70 = 335,705,878.20 : x
  2. Step 2: Convert to fraction form
    386,724,214.20/579,236,015.70 = 335,705,878.20/x
  3. Step 3: Cross multiply
    386,724,214.20x = 579,236,015.70 × 335,705,878.20
  4. Step 4: Simplify right side
    386,724,214.20x = 194,452,935,335,637,504
  5. Step 5: Solve for x
    x = 194,452,935,335,637,504/386,724,214.20
  6. Step 6: Final answer
    x = 502,820,687.70

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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.