Home / 13,215,222,056.80-19,822,833,085.20-12,113,225,999.20

Finding the Fourth Proportional to 13,215,222,056.80, 19,822,833,085.20 and 12,113,225,999.20

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Solution

The fourth proportional to 13,215,222,056.80, 19,822,833,085.20 and 12,113,225,999.20 is: 18,169,838,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,222,056.80 : 19,822,833,085.20 = 12,113,225,999.20 : x
  2. Step 2: Convert to fraction form
    13,215,222,056.80/19,822,833,085.20 = 12,113,225,999.20/x
  3. Step 3: Cross multiply
    13,215,222,056.80x = 19,822,833,085.20 × 12,113,225,999.20
  4. Step 4: Simplify right side
    13,215,222,056.80x = 240,118,457,105,446,600,704
  5. Step 5: Solve for x
    x = 240,118,457,105,446,600,704/13,215,222,056.80
  6. Step 6: Final answer
    x = 18,169,838,998.80

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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.