Home / 42,009,170,811.06-57,972,830,383.64-22,718,630,749.32

Finding the Fourth Proportional to 42,009,170,811.06, 57,972,830,383.64 and 22,718,630,749.32

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Solution

The fourth proportional to 42,009,170,811.06, 57,972,830,383.64 and 22,718,630,749.32 is: 31,351,804,892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009,170,811.06 : 57,972,830,383.64 = 22,718,630,749.32 : x
  2. Step 2: Convert to fraction form
    42,009,170,811.06/57,972,830,383.64 = 22,718,630,749.32/x
  3. Step 3: Cross multiply
    42,009,170,811.06x = 57,972,830,383.64 × 22,718,630,749.32
  4. Step 4: Simplify right side
    42,009,170,811.06x = 1,317,063,326,978,762,866,688
  5. Step 5: Solve for x
    x = 1,317,063,326,978,762,866,688/42,009,170,811.06
  6. Step 6: Final answer
    x = 31,351,804,892.85

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Double scale
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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.