Home / 56,150,562,685.20-84,205,436,693.40-18,886,770,070.80

Finding the Fourth Proportional to 56,150,562,685.20, 84,205,436,693.40 and 18,886,770,070.80

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Solution

The fourth proportional to 56,150,562,685.20, 84,205,436,693.40 and 18,886,770,070.80 is: 28,323,290,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,150,562,685.20 : 84,205,436,693.40 = 18,886,770,070.80 : x
  2. Step 2: Convert to fraction form
    56,150,562,685.20/84,205,436,693.40 = 18,886,770,070.80/x
  3. Step 3: Cross multiply
    56,150,562,685.20x = 84,205,436,693.40 × 18,886,770,070.80
  4. Step 4: Simplify right side
    56,150,562,685.20x = 1,590,368,721,539,550,937,088
  5. Step 5: Solve for x
    x = 1,590,368,721,539,550,937,088/56,150,562,685.20
  6. Step 6: Final answer
    x = 28,323,290,907.27

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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.