Home / 2,061,867,569.76-2,845,470,943.26-1,215,130,628.88

Finding the Fourth Proportional to 2,061,867,569.76, 2,845,470,943.26 and 1,215,130,628.88

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Solution

The fourth proportional to 2,061,867,569.76, 2,845,470,943.26 and 1,215,130,628.88 is: 1,676,935,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,061,867,569.76 : 2,845,470,943.26 = 1,215,130,628.88 : x
  2. Step 2: Convert to fraction form
    2,061,867,569.76/2,845,470,943.26 = 1,215,130,628.88/x
  3. Step 3: Cross multiply
    2,061,867,569.76x = 2,845,470,943.26 × 1,215,130,628.88
  4. Step 4: Simplify right side
    2,061,867,569.76x = 3,457,618,896,743,291,392
  5. Step 5: Solve for x
    x = 3,457,618,896,743,291,392/2,061,867,569.76
  6. Step 6: Final answer
    x = 1,676,935,486.77

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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.