Home / 13,242,573,026.71-18,274,617,337.49-7,221,063,217.03

Finding the Fourth Proportional to 13,242,573,026.71, 18,274,617,337.49 and 7,221,063,217.03

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Solution

The fourth proportional to 13,242,573,026.71, 18,274,617,337.49 and 7,221,063,217.03 is: 9,964,994,476.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242,573,026.71 : 18,274,617,337.49 = 7,221,063,217.03 : x
  2. Step 2: Convert to fraction form
    13,242,573,026.71/18,274,617,337.49 = 7,221,063,217.03/x
  3. Step 3: Cross multiply
    13,242,573,026.71x = 18,274,617,337.49 × 7,221,063,217.03
  4. Step 4: Simplify right side
    13,242,573,026.71x = 131,962,167,061,002,076,160
  5. Step 5: Solve for x
    x = 131,962,167,061,002,076,160/13,242,573,026.71
  6. Step 6: Final answer
    x = 9,964,994,476.14

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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.