Home / 1,293,211,614.80-1,939,817,422.20-885,064,926.80

Finding the Fourth Proportional to 1,293,211,614.80, 1,939,817,422.20 and 885,064,926.80

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Solution

The fourth proportional to 1,293,211,614.80, 1,939,817,422.20 and 885,064,926.80 is: 1,327,597,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,211,614.80 : 1,939,817,422.20 = 885,064,926.80 : x
  2. Step 2: Convert to fraction form
    1,293,211,614.80/1,939,817,422.20 = 885,064,926.80/x
  3. Step 3: Cross multiply
    1,293,211,614.80x = 1,939,817,422.20 × 885,064,926.80
  4. Step 4: Simplify right side
    1,293,211,614.80x = 1,716,864,364,784,807,680
  5. Step 5: Solve for x
    x = 1,716,864,364,784,807,680/1,293,211,614.80
  6. Step 6: Final answer
    x = 1,327,597,390.20

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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.