Home / 7,144,805,217.42-9,859,839,374.30-3,972,921,032.34

Finding the Fourth Proportional to 7,144,805,217.42, 9,859,839,374.30 and 3,972,921,032.34

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Solution

The fourth proportional to 7,144,805,217.42, 9,859,839,374.30 and 3,972,921,032.34 is: 5,482,635,569.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144,805,217.42 : 9,859,839,374.30 = 3,972,921,032.34 : x
  2. Step 2: Convert to fraction form
    7,144,805,217.42/9,859,839,374.30 = 3,972,921,032.34/x
  3. Step 3: Cross multiply
    7,144,805,217.42x = 9,859,839,374.30 × 3,972,921,032.34
  4. Step 4: Simplify right side
    7,144,805,217.42x = 39,172,363,225,630,670,848
  5. Step 5: Solve for x
    x = 39,172,363,225,630,670,848/7,144,805,217.42
  6. Step 6: Final answer
    x = 5,482,635,569.98

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Double scale
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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.