Home / 7,921,152,577.80-11,881,728,866.70-2,400,685,187.40

Finding the Fourth Proportional to 7,921,152,577.80, 11,881,728,866.70 and 2,400,685,187.40

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Solution

The fourth proportional to 7,921,152,577.80, 11,881,728,866.70 and 2,400,685,187.40 is: 3,601,027,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,152,577.80 : 11,881,728,866.70 = 2,400,685,187.40 : x
  2. Step 2: Convert to fraction form
    7,921,152,577.80/11,881,728,866.70 = 2,400,685,187.40/x
  3. Step 3: Cross multiply
    7,921,152,577.80x = 11,881,728,866.70 × 2,400,685,187.40
  4. Step 4: Simplify right side
    7,921,152,577.80x = 28,524,290,490,989,682,688
  5. Step 5: Solve for x
    x = 28,524,290,490,989,682,688/7,921,152,577.80
  6. Step 6: Final answer
    x = 3,601,027,781.10

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Double scale
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Similar ratio
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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.