Home / 654,589,763.51-903,353,024.88-357,251,076.72

Finding the Fourth Proportional to 654,589,763.51, 903,353,024.88 and 357,251,076.72

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Solution

The fourth proportional to 654,589,763.51, 903,353,024.88 and 357,251,076.72 is: 493,016,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,589,763.51 : 903,353,024.88 = 357,251,076.72 : x
  2. Step 2: Convert to fraction form
    654,589,763.51/903,353,024.88 = 357,251,076.72/x
  3. Step 3: Cross multiply
    654,589,763.51x = 903,353,024.88 × 357,251,076.72
  4. Step 4: Simplify right side
    654,589,763.51x = 322,723,840,796,648,960
  5. Step 5: Solve for x
    x = 322,723,840,796,648,960/654,589,763.51
  6. Step 6: Final answer
    x = 493,016,937.92

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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.