Home / 440,037,838.60-660,056,880.21-163,652,940.97

Finding the Fourth Proportional to 440,037,838.60, 660,056,880.21 and 163,652,940.97

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Solution

The fourth proportional to 440,037,838.60, 660,056,880.21 and 163,652,940.97 is: 245,479,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,037,838.60 : 660,056,880.21 = 163,652,940.97 : x
  2. Step 2: Convert to fraction form
    440,037,838.60/660,056,880.21 = 163,652,940.97/x
  3. Step 3: Cross multiply
    440,037,838.60x = 660,056,880.21 × 163,652,940.97
  4. Step 4: Simplify right side
    440,037,838.60x = 108,020,249,653,849,504
  5. Step 5: Solve for x
    x = 108,020,249,653,849,504/440,037,838.60
  6. Step 6: Final answer
    x = 245,479,456.94

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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.