Home / 7,125,636,776.40-10,693,556,998.20-2,988,049,726.80

Finding the Fourth Proportional to 7,125,636,776.40, 10,693,556,998.20 and 2,988,049,726.80

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Solution

The fourth proportional to 7,125,636,776.40, 10,693,556,998.20 and 2,988,049,726.80 is: 4,484,213,982.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125,636,776.40 : 10,693,556,998.20 = 2,988,049,726.80 : x
  2. Step 2: Convert to fraction form
    7,125,636,776.40/10,693,556,998.20 = 2,988,049,726.80/x
  3. Step 3: Cross multiply
    7,125,636,776.40x = 10,693,556,998.20 × 2,988,049,726.80
  4. Step 4: Simplify right side
    7,125,636,776.40x = 31,952,880,066,991,742,976
  5. Step 5: Solve for x
    x = 31,952,880,066,991,742,976/7,125,636,776.40
  6. Step 6: Final answer
    x = 4,484,213,982.51

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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.