Home / 4,912,805,854.78-7,361,710,100.46-2,916,917,605.34

Finding the Fourth Proportional to 4,912,805,854.78, 7,361,710,100.46 and 2,916,917,605.34

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Solution

The fourth proportional to 4,912,805,854.78, 7,361,710,100.46 and 2,916,917,605.34 is: 4,370,924,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912,805,854.78 : 7,361,710,100.46 = 2,916,917,605.34 : x
  2. Step 2: Convert to fraction form
    4,912,805,854.78/7,361,710,100.46 = 2,916,917,605.34/x
  3. Step 3: Cross multiply
    4,912,805,854.78x = 7,361,710,100.46 × 2,916,917,605.34
  4. Step 4: Simplify right side
    4,912,805,854.78x = 21,473,501,797,403,611,136
  5. Step 5: Solve for x
    x = 21,473,501,797,403,611,136/4,912,805,854.78
  6. Step 6: Final answer
    x = 4,370,924,158.64

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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.