Home / 21,274,029,422.40-31,911,044,133.60-19,559,813,332.80

Finding the Fourth Proportional to 21,274,029,422.40, 31,911,044,133.60 and 19,559,813,332.80

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Solution

The fourth proportional to 21,274,029,422.40, 31,911,044,133.60 and 19,559,813,332.80 is: 29,339,719,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,274,029,422.40 : 31,911,044,133.60 = 19,559,813,332.80 : x
  2. Step 2: Convert to fraction form
    21,274,029,422.40/31,911,044,133.60 = 19,559,813,332.80/x
  3. Step 3: Cross multiply
    21,274,029,422.40x = 31,911,044,133.60 × 19,559,813,332.80
  4. Step 4: Simplify right side
    21,274,029,422.40x = 624,174,066,507,958,452,224
  5. Step 5: Solve for x
    x = 624,174,066,507,958,452,224/21,274,029,422.40
  6. Step 6: Final answer
    x = 29,339,719,999.20

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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.