Home / 19,142,142,505.21-28,717,482,606.45-5,878,739,324.80

Finding the Fourth Proportional to 19,142,142,505.21, 28,717,482,606.45 and 5,878,739,324.80

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Solution

The fourth proportional to 19,142,142,505.21, 28,717,482,606.45 and 5,878,739,324.80 is: 8,819,419,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142,142,505.21 : 28,717,482,606.45 = 5,878,739,324.80 : x
  2. Step 2: Convert to fraction form
    19,142,142,505.21/28,717,482,606.45 = 5,878,739,324.80/x
  3. Step 3: Cross multiply
    19,142,142,505.21x = 28,717,482,606.45 × 5,878,739,324.80
  4. Step 4: Simplify right side
    19,142,142,505.21x = 168,822,594,307,797,614,592
  5. Step 5: Solve for x
    x = 168,822,594,307,797,614,592/19,142,142,505.21
  6. Step 6: Final answer
    x = 8,819,419,992.40

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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.