Home / 16,921,208,382.80-25,365,688,260.60-13,188,429,784.40

Finding the Fourth Proportional to 16,921,208,382.80, 25,365,688,260.60 and 13,188,429,784.40

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Solution

The fourth proportional to 16,921,208,382.80, 25,365,688,260.60 and 13,188,429,784.40 is: 19,770,077,348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921,208,382.80 : 25,365,688,260.60 = 13,188,429,784.40 : x
  2. Step 2: Convert to fraction form
    16,921,208,382.80/25,365,688,260.60 = 13,188,429,784.40/x
  3. Step 3: Cross multiply
    16,921,208,382.80x = 25,365,688,260.60 × 13,188,429,784.40
  4. Step 4: Simplify right side
    16,921,208,382.80x = 334,533,598,557,902,471,168
  5. Step 5: Solve for x
    x = 334,533,598,557,902,471,168/16,921,208,382.80
  6. Step 6: Final answer
    x = 19,770,077,348.49

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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.