Home / 313,855,432.04-433,180,461.78-207,821,826.24

Finding the Fourth Proportional to 313,855,432.04, 433,180,461.78 and 207,821,826.24

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Solution

The fourth proportional to 313,855,432.04, 433,180,461.78 and 207,821,826.24 is: 286,833,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,855,432.04 : 433,180,461.78 = 207,821,826.24 : x
  2. Step 2: Convert to fraction form
    313,855,432.04/433,180,461.78 = 207,821,826.24/x
  3. Step 3: Cross multiply
    313,855,432.04x = 433,180,461.78 × 207,821,826.24
  4. Step 4: Simplify right side
    313,855,432.04x = 90,024,354,658,606,112
  5. Step 5: Solve for x
    x = 90,024,354,658,606,112/313,855,432.04
  6. Step 6: Final answer
    x = 286,833,826.88

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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.