Home / 28,414,667,159.07-39,209,558,375.73-16,980,959,712.51

Finding the Fourth Proportional to 28,414,667,159.07, 39,209,558,375.73 and 16,980,959,712.51

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Solution

The fourth proportional to 28,414,667,159.07, 39,209,558,375.73 and 16,980,959,712.51 is: 23,432,121,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414,667,159.07 : 39,209,558,375.73 = 16,980,959,712.51 : x
  2. Step 2: Convert to fraction form
    28,414,667,159.07/39,209,558,375.73 = 16,980,959,712.51/x
  3. Step 3: Cross multiply
    28,414,667,159.07x = 39,209,558,375.73 × 16,980,959,712.51
  4. Step 4: Simplify right side
    28,414,667,159.07x = 665,815,931,123,580,272,640
  5. Step 5: Solve for x
    x = 665,815,931,123,580,272,640/28,414,667,159.07
  6. Step 6: Final answer
    x = 23,432,121,425.05

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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.