Home / 843,742,895.80-1,265,614,343.70-838,368,124.60

Finding the Fourth Proportional to 843,742,895.80, 1,265,614,343.70 and 838,368,124.60

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Solution

The fourth proportional to 843,742,895.80, 1,265,614,343.70 and 838,368,124.60 is: 1,257,552,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,742,895.80 : 1,265,614,343.70 = 838,368,124.60 : x
  2. Step 2: Convert to fraction form
    843,742,895.80/1,265,614,343.70 = 838,368,124.60/x
  3. Step 3: Cross multiply
    843,742,895.80x = 1,265,614,343.70 × 838,368,124.60
  4. Step 4: Simplify right side
    843,742,895.80x = 1,061,050,723,794,628,864
  5. Step 5: Solve for x
    x = 1,061,050,723,794,628,864/843,742,895.80
  6. Step 6: Final answer
    x = 1,257,552,186.90

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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.