Home / 329,176,872,005.40-493,765,308,008.10-105,609,421,819.80

Finding the Fourth Proportional to 329,176,872,005.40, 493,765,308,008.10 and 105,609,421,819.80

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Solution

The fourth proportional to 329,176,872,005.40, 493,765,308,008.10 and 105,609,421,819.80 is: 158,414,132,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,176,872,005.40 : 493,765,308,008.10 = 105,609,421,819.80 : x
  2. Step 2: Convert to fraction form
    329,176,872,005.40/493,765,308,008.10 = 105,609,421,819.80/x
  3. Step 3: Cross multiply
    329,176,872,005.40x = 493,765,308,008.10 × 105,609,421,819.80
  4. Step 4: Simplify right side
    329,176,872,005.40x = 52,146,268,693,410,904,801,280
  5. Step 5: Solve for x
    x = 52,146,268,693,410,904,801,280/329,176,872,005.40
  6. Step 6: Final answer
    x = 158,414,132,729.70

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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.