Home / 370,656,559.28-556,131,280.44-140,686,685.84

Finding the Fourth Proportional to 370,656,559.28, 556,131,280.44 and 140,686,685.84

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Solution

The fourth proportional to 370,656,559.28, 556,131,280.44 and 140,686,685.84 is: 211,085,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,656,559.28 : 556,131,280.44 = 140,686,685.84 : x
  2. Step 2: Convert to fraction form
    370,656,559.28/556,131,280.44 = 140,686,685.84/x
  3. Step 3: Cross multiply
    370,656,559.28x = 556,131,280.44 × 140,686,685.84
  4. Step 4: Simplify right side
    370,656,559.28x = 78,240,266,737,059,232
  5. Step 5: Solve for x
    x = 78,240,266,737,059,232/370,656,559.28
  6. Step 6: Final answer
    x = 211,085,612.21

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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.