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Finding the Fourth Proportional to 15,997,482,001.20, 22,341,374,998.80 and 15,997,482,001.20

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Solution

The fourth proportional to 15,997,482,001.20, 22,341,374,998.80 and 15,997,482,001.20 is: 22,341,374,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997,482,001.20 : 22,341,374,998.80 = 15,997,482,001.20 : x
  2. Step 2: Convert to fraction form
    15,997,482,001.20/22,341,374,998.80 = 15,997,482,001.20/x
  3. Step 3: Cross multiply
    15,997,482,001.20x = 22,341,374,998.80 × 15,997,482,001.20
  4. Step 4: Simplify right side
    15,997,482,001.20x = 357,405,744,425,362,653,184
  5. Step 5: Solve for x
    x = 357,405,744,425,362,653,184/15,997,482,001.20
  6. Step 6: Final answer
    x = 22,341,374,998.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.