Home / 1,211,107,972.64-1,671,328,744.08-654,191,025.44

Finding the Fourth Proportional to 1,211,107,972.64, 1,671,328,744.08 and 654,191,025.44

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Solution

The fourth proportional to 1,211,107,972.64, 1,671,328,744.08 and 654,191,025.44 is: 902,783,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,107,972.64 : 1,671,328,744.08 = 654,191,025.44 : x
  2. Step 2: Convert to fraction form
    1,211,107,972.64/1,671,328,744.08 = 654,191,025.44/x
  3. Step 3: Cross multiply
    1,211,107,972.64x = 1,671,328,744.08 × 654,191,025.44
  4. Step 4: Simplify right side
    1,211,107,972.64x = 1,093,368,264,937,042,560
  5. Step 5: Solve for x
    x = 1,093,368,264,937,042,560/1,211,107,972.64
  6. Step 6: Final answer
    x = 902,783,475.66

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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.