Home / 1,577,360,940.17-2,165,359,448.89-1,353,954,769.49

Finding the Fourth Proportional to 1,577,360,940.17, 2,165,359,448.89 and 1,353,954,769.49

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Solution

The fourth proportional to 1,577,360,940.17, 2,165,359,448.89 and 1,353,954,769.49 is: 1,858,673,356.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,360,940.17 : 2,165,359,448.89 = 1,353,954,769.49 : x
  2. Step 2: Convert to fraction form
    1,577,360,940.17/2,165,359,448.89 = 1,353,954,769.49/x
  3. Step 3: Cross multiply
    1,577,360,940.17x = 2,165,359,448.89 × 1,353,954,769.49
  4. Step 4: Simplify right side
    1,577,360,940.17x = 2,931,798,753,484,853,248
  5. Step 5: Solve for x
    x = 2,931,798,753,484,853,248/1,577,360,940.17
  6. Step 6: Final answer
    x = 1,858,673,356.76

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.