Home / 20,967,953,018.84-31,456,346,768.29-6,801,812,637.21

Finding the Fourth Proportional to 20,967,953,018.84, 31,456,346,768.29 and 6,801,812,637.21

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Solution

The fourth proportional to 20,967,953,018.84, 31,456,346,768.29 and 6,801,812,637.21 is: 10,204,151,868.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,967,953,018.84 : 31,456,346,768.29 = 6,801,812,637.21 : x
  2. Step 2: Convert to fraction form
    20,967,953,018.84/31,456,346,768.29 = 6,801,812,637.21/x
  3. Step 3: Cross multiply
    20,967,953,018.84x = 31,456,346,768.29 × 6,801,812,637.21
  4. Step 4: Simplify right side
    20,967,953,018.84x = 213,960,176,968,867,610,624
  5. Step 5: Solve for x
    x = 213,960,176,968,867,610,624/20,967,953,018.84
  6. Step 6: Final answer
    x = 10,204,151,868.17

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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.