Home / 1,995,971,054.89-2,755,288,171.78-1,243,655,927.53

Finding the Fourth Proportional to 1,995,971,054.89, 2,755,288,171.78 and 1,243,655,927.53

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Solution

The fourth proportional to 1,995,971,054.89, 2,755,288,171.78 and 1,243,655,927.53 is: 1,716,773,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,971,054.89 : 2,755,288,171.78 = 1,243,655,927.53 : x
  2. Step 2: Convert to fraction form
    1,995,971,054.89/2,755,288,171.78 = 1,243,655,927.53/x
  3. Step 3: Cross multiply
    1,995,971,054.89x = 2,755,288,171.78 × 1,243,655,927.53
  4. Step 4: Simplify right side
    1,995,971,054.89x = 3,426,630,466,896,559,616
  5. Step 5: Solve for x
    x = 3,426,630,466,896,559,616/1,995,971,054.89
  6. Step 6: Final answer
    x = 1,716,773,626.81

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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.