Home / 38,458,446,677.01-53,072,968,030.52-21,311,586,373.86

Finding the Fourth Proportional to 38,458,446,677.01, 53,072,968,030.52 and 21,311,586,373.86

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Solution

The fourth proportional to 38,458,446,677.01, 53,072,968,030.52 and 21,311,586,373.86 is: 29,410,161,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,458,446,677.01 : 53,072,968,030.52 = 21,311,586,373.86 : x
  2. Step 2: Convert to fraction form
    38,458,446,677.01/53,072,968,030.52 = 21,311,586,373.86/x
  3. Step 3: Cross multiply
    38,458,446,677.01x = 53,072,968,030.52 × 21,311,586,373.86
  4. Step 4: Simplify right side
    38,458,446,677.01x = 1,131,069,142,299,430,879,232
  5. Step 5: Solve for x
    x = 1,131,069,142,299,430,879,232/38,458,446,677.01
  6. Step 6: Final answer
    x = 29,410,161,876.76

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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.