Home / 8,759,035,843-12,087,219,657.72-5,142,001,418.44

Finding the Fourth Proportional to 8,759,035,843, 12,087,219,657.72 and 5,142,001,418.44

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Solution

The fourth proportional to 8,759,035,843, 12,087,219,657.72 and 5,142,001,418.44 is: 7,095,815,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759,035,843 : 12,087,219,657.72 = 5,142,001,418.44 : x
  2. Step 2: Convert to fraction form
    8,759,035,843/12,087,219,657.72 = 5,142,001,418.44/x
  3. Step 3: Cross multiply
    8,759,035,843x = 12,087,219,657.72 × 5,142,001,418.44
  4. Step 4: Simplify right side
    8,759,035,843x = 62,152,500,624,992,083,968
  5. Step 5: Solve for x
    x = 62,152,500,624,992,083,968/8,759,035,843
  6. Step 6: Final answer
    x = 7,095,815,308.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.