Home / 19,118,869,512.60-28,678,304,268.90-10,853,899,080.60

Finding the Fourth Proportional to 19,118,869,512.60, 28,678,304,268.90 and 10,853,899,080.60

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Solution

The fourth proportional to 19,118,869,512.60, 28,678,304,268.90 and 10,853,899,080.60 is: 16,280,848,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118,869,512.60 : 28,678,304,268.90 = 10,853,899,080.60 : x
  2. Step 2: Convert to fraction form
    19,118,869,512.60/28,678,304,268.90 = 10,853,899,080.60/x
  3. Step 3: Cross multiply
    19,118,869,512.60x = 28,678,304,268.90 × 10,853,899,080.60
  4. Step 4: Simplify right side
    19,118,869,512.60x = 311,271,420,337,380,786,176
  5. Step 5: Solve for x
    x = 311,271,420,337,380,786,176/19,118,869,512.60
  6. Step 6: Final answer
    x = 16,280,848,620.90

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Double scale
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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.