Home / 984,169,916.40-1,476,142,900.20-257,232,111.60

Finding the Fourth Proportional to 984,169,916.40, 1,476,142,900.20 and 257,232,111.60

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Solution

The fourth proportional to 984,169,916.40, 1,476,142,900.20 and 257,232,111.60 is: 385,818,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,169,916.40 : 1,476,142,900.20 = 257,232,111.60 : x
  2. Step 2: Convert to fraction form
    984,169,916.40/1,476,142,900.20 = 257,232,111.60/x
  3. Step 3: Cross multiply
    984,169,916.40x = 1,476,142,900.20 × 257,232,111.60
  4. Step 4: Simplify right side
    984,169,916.40x = 379,711,355,241,794,048
  5. Step 5: Solve for x
    x = 379,711,355,241,794,048/984,169,916.40
  6. Step 6: Final answer
    x = 385,818,900.69

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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.