Home / 619,894,995.20-929,956,916.66-256,417,694.72

Finding the Fourth Proportional to 619,894,995.20, 929,956,916.66 and 256,417,694.72

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Solution

The fourth proportional to 619,894,995.20, 929,956,916.66 and 256,417,694.72 is: 384,673,873.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,894,995.20 : 929,956,916.66 = 256,417,694.72 : x
  2. Step 2: Convert to fraction form
    619,894,995.20/929,956,916.66 = 256,417,694.72/x
  3. Step 3: Cross multiply
    619,894,995.20x = 929,956,916.66 × 256,417,694.72
  4. Step 4: Simplify right side
    619,894,995.20x = 238,457,408,758,876,352
  5. Step 5: Solve for x
    x = 238,457,408,758,876,352/619,894,995.20
  6. Step 6: Final answer
    x = 384,673,873.16

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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.