Home / 1,521,868,751,225-2,100,187,179,369.60-896,176,817,420.85

Finding the Fourth Proportional to 1,521,868,751,225, 2,100,187,179,369.60 and 896,176,817,420.85

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Solution

The fourth proportional to 1,521,868,751,225, 2,100,187,179,369.60 and 896,176,817,420.85 is: 1,236,728,897,206.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,868,751,225 : 2,100,187,179,369.60 = 896,176,817,420.85 : x
  2. Step 2: Convert to fraction form
    1,521,868,751,225/2,100,187,179,369.60 = 896,176,817,420.85/x
  3. Step 3: Cross multiply
    1,521,868,751,225x = 2,100,187,179,369.60 × 896,176,817,420.85
  4. Step 4: Simplify right side
    1,521,868,751,225x = 1,882,139,062,395,520,054,984,704
  5. Step 5: Solve for x
    x = 1,882,139,062,395,520,054,984,704/1,521,868,751,225
  6. Step 6: Final answer
    x = 1,236,728,897,206.50

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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.