Home / 1,251,953,879,700-1,878,038,995,986.50-345,391,687,859.84

Finding the Fourth Proportional to 1,251,953,879,700, 1,878,038,995,986.50 and 345,391,687,859.84

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Solution

The fourth proportional to 1,251,953,879,700, 1,878,038,995,986.50 and 345,391,687,859.84 is: 518,117,375,734.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,953,879,700 : 1,878,038,995,986.50 = 345,391,687,859.84 : x
  2. Step 2: Convert to fraction form
    1,251,953,879,700/1,878,038,995,986.50 = 345,391,687,859.84/x
  3. Step 3: Cross multiply
    1,251,953,879,700x = 1,878,038,995,986.50 × 345,391,687,859.84
  4. Step 4: Simplify right side
    1,251,953,879,700x = 648,659,058,690,376,526,200,832
  5. Step 5: Solve for x
    x = 648,659,058,690,376,526,200,832/1,251,953,879,700
  6. Step 6: Final answer
    x = 518,117,375,734.17

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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.