Home / 329,176,872,002.40-493,765,308,003.60-105,609,421,816.80

Finding the Fourth Proportional to 329,176,872,002.40, 493,765,308,003.60 and 105,609,421,816.80

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Solution

The fourth proportional to 329,176,872,002.40, 493,765,308,003.60 and 105,609,421,816.80 is: 158,414,132,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,176,872,002.40 : 493,765,308,003.60 = 105,609,421,816.80 : x
  2. Step 2: Convert to fraction form
    329,176,872,002.40/493,765,308,003.60 = 105,609,421,816.80/x
  3. Step 3: Cross multiply
    329,176,872,002.40x = 493,765,308,003.60 × 105,609,421,816.80
  4. Step 4: Simplify right side
    329,176,872,002.40x = 52,146,268,691,454,362,648,576
  5. Step 5: Solve for x
    x = 52,146,268,691,454,362,648,576/329,176,872,002.40
  6. Step 6: Final answer
    x = 158,414,132,725.20

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1.5x scale

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.