Home / 21,971,029,561.40-32,956,544,342.10-8,181,888,159.80

Finding the Fourth Proportional to 21,971,029,561.40, 32,956,544,342.10 and 8,181,888,159.80

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Solution

The fourth proportional to 21,971,029,561.40, 32,956,544,342.10 and 8,181,888,159.80 is: 12,272,832,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,971,029,561.40 : 32,956,544,342.10 = 8,181,888,159.80 : x
  2. Step 2: Convert to fraction form
    21,971,029,561.40/32,956,544,342.10 = 8,181,888,159.80/x
  3. Step 3: Cross multiply
    21,971,029,561.40x = 32,956,544,342.10 × 8,181,888,159.80
  4. Step 4: Simplify right side
    21,971,029,561.40x = 269,646,759,940,551,671,808
  5. Step 5: Solve for x
    x = 269,646,759,940,551,671,808/21,971,029,561.40
  6. Step 6: Final answer
    x = 12,272,832,239.70

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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.