Home / 21,232,703,465.42-29,301,834,533.22-11,587,961,527.70

Finding the Fourth Proportional to 21,232,703,465.42, 29,301,834,533.22 and 11,587,961,527.70

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Solution

The fourth proportional to 21,232,703,465.42, 29,301,834,533.22 and 11,587,961,527.70 is: 15,991,770,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232,703,465.42 : 29,301,834,533.22 = 11,587,961,527.70 : x
  2. Step 2: Convert to fraction form
    21,232,703,465.42/29,301,834,533.22 = 11,587,961,527.70/x
  3. Step 3: Cross multiply
    21,232,703,465.42x = 29,301,834,533.22 × 11,587,961,527.70
  4. Step 4: Simplify right side
    21,232,703,465.42x = 339,548,531,261,838,131,200
  5. Step 5: Solve for x
    x = 339,548,531,261,838,131,200/21,232,703,465.42
  6. Step 6: Final answer
    x = 15,991,770,987.38

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Double scale
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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.