Home / 10,243,800,664.47-14,122,542,724.11-7,187,824,820.43

Finding the Fourth Proportional to 10,243,800,664.47, 14,122,542,724.11 and 7,187,824,820.43

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Solution

The fourth proportional to 10,243,800,664.47, 14,122,542,724.11 and 7,187,824,820.43 is: 9,909,443,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243,800,664.47 : 14,122,542,724.11 = 7,187,824,820.43 : x
  2. Step 2: Convert to fraction form
    10,243,800,664.47/14,122,542,724.11 = 7,187,824,820.43/x
  3. Step 3: Cross multiply
    10,243,800,664.47x = 14,122,542,724.11 × 7,187,824,820.43
  4. Step 4: Simplify right side
    10,243,800,664.47x = 101,510,363,119,935,307,776
  5. Step 5: Solve for x
    x = 101,510,363,119,935,307,776/10,243,800,664.47
  6. Step 6: Final answer
    x = 9,909,443,422.89

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1.5x scale

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.