Home / 711,922,293,590.45-982,536,989,709.30-422,891,694,905.30

Finding the Fourth Proportional to 711,922,293,590.45, 982,536,989,709.30 and 422,891,694,905.30

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Solution

The fourth proportional to 711,922,293,590.45, 982,536,989,709.30 and 422,891,694,905.30 is: 583,640,569,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,922,293,590.45 : 982,536,989,709.30 = 422,891,694,905.30 : x
  2. Step 2: Convert to fraction form
    711,922,293,590.45/982,536,989,709.30 = 422,891,694,905.30/x
  3. Step 3: Cross multiply
    711,922,293,590.45x = 982,536,989,709.30 × 422,891,694,905.30
  4. Step 4: Simplify right side
    711,922,293,590.45x = 415,506,732,885,317,169,184,768
  5. Step 5: Solve for x
    x = 415,506,732,885,317,169,184,768/711,922,293,590.45
  6. Step 6: Final answer
    x = 583,640,569,520.28

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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.