Home / 28,414,667,157.57-39,209,558,373.66-16,980,959,711.01

Finding the Fourth Proportional to 28,414,667,157.57, 39,209,558,373.66 and 16,980,959,711.01

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Solution

The fourth proportional to 28,414,667,157.57, 39,209,558,373.66 and 16,980,959,711.01 is: 23,432,121,422.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414,667,157.57 : 39,209,558,373.66 = 16,980,959,711.01 : x
  2. Step 2: Convert to fraction form
    28,414,667,157.57/39,209,558,373.66 = 16,980,959,711.01/x
  3. Step 3: Cross multiply
    28,414,667,157.57x = 39,209,558,373.66 × 16,980,959,711.01
  4. Step 4: Simplify right side
    28,414,667,157.57x = 665,815,931,029,615,280,128
  5. Step 5: Solve for x
    x = 665,815,931,029,615,280,128/28,414,667,157.57
  6. Step 6: Final answer
    x = 23,432,121,422.98

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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.