Home / 20,155,426,646.40-30,233,139,969.60-16,962,812,553.60

Finding the Fourth Proportional to 20,155,426,646.40, 30,233,139,969.60 and 16,962,812,553.60

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Solution

The fourth proportional to 20,155,426,646.40, 30,233,139,969.60 and 16,962,812,553.60 is: 25,444,218,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,426,646.40 : 30,233,139,969.60 = 16,962,812,553.60 : x
  2. Step 2: Convert to fraction form
    20,155,426,646.40/30,233,139,969.60 = 16,962,812,553.60/x
  3. Step 3: Cross multiply
    20,155,426,646.40x = 30,233,139,969.60 × 16,962,812,553.60
  4. Step 4: Simplify right side
    20,155,426,646.40x = 512,839,086,211,076,784,128
  5. Step 5: Solve for x
    x = 512,839,086,211,076,784,128/20,155,426,646.40
  6. Step 6: Final answer
    x = 25,444,218,830.40

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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.