Home / 19,126,353,505.48-26,402,832,478.46-12,355,474,215.66

Finding the Fourth Proportional to 19,126,353,505.48, 26,402,832,478.46 and 12,355,474,215.66

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Solution

The fourth proportional to 19,126,353,505.48, 26,402,832,478.46 and 12,355,474,215.66 is: 17,056,022,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126,353,505.48 : 26,402,832,478.46 = 12,355,474,215.66 : x
  2. Step 2: Convert to fraction form
    19,126,353,505.48/26,402,832,478.46 = 12,355,474,215.66/x
  3. Step 3: Cross multiply
    19,126,353,505.48x = 26,402,832,478.46 × 12,355,474,215.66
  4. Step 4: Simplify right side
    19,126,353,505.48x = 326,219,515,908,002,938,880
  5. Step 5: Solve for x
    x = 326,219,515,908,002,938,880/19,126,353,505.48
  6. Step 6: Final answer
    x = 17,056,022,509.18

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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.