Home / 64,680,775,999.20-97,021,163,998.80-39,538,940,018.40

Finding the Fourth Proportional to 64,680,775,999.20, 97,021,163,998.80 and 39,538,940,018.40

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Solution

The fourth proportional to 64,680,775,999.20, 97,021,163,998.80 and 39,538,940,018.40 is: 59,308,410,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,680,775,999.20 : 97,021,163,998.80 = 39,538,940,018.40 : x
  2. Step 2: Convert to fraction form
    64,680,775,999.20/97,021,163,998.80 = 39,538,940,018.40/x
  3. Step 3: Cross multiply
    64,680,775,999.20x = 97,021,163,998.80 × 39,538,940,018.40
  4. Step 4: Simplify right side
    64,680,775,999.20x = 3,836,113,983,863,902,961,664
  5. Step 5: Solve for x
    x = 3,836,113,983,863,902,961,664/64,680,775,999.20
  6. Step 6: Final answer
    x = 59,308,410,027.60

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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.