Home / 65,698,513,482.92-98,508,415,261.98-20,910,664,201.64

Finding the Fourth Proportional to 65,698,513,482.92, 98,508,415,261.98 and 20,910,664,201.64

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Solution

The fourth proportional to 65,698,513,482.92, 98,508,415,261.98 and 20,910,664,201.64 is: 31,353,470,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,698,513,482.92 : 98,508,415,261.98 = 20,910,664,201.64 : x
  2. Step 2: Convert to fraction form
    65,698,513,482.92/98,508,415,261.98 = 20,910,664,201.64/x
  3. Step 3: Cross multiply
    65,698,513,482.92x = 98,508,415,261.98 × 20,910,664,201.64
  4. Step 4: Simplify right side
    65,698,513,482.92x = 2,059,876,392,578,972,385,280
  5. Step 5: Solve for x
    x = 2,059,876,392,578,972,385,280/65,698,513,482.92
  6. Step 6: Final answer
    x = 31,353,470,320.37

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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.