Home / 354,297,029.40-531,445,544.10-312,685,199.10

Finding the Fourth Proportional to 354,297,029.40, 531,445,544.10 and 312,685,199.10

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Solution

The fourth proportional to 354,297,029.40, 531,445,544.10 and 312,685,199.10 is: 469,027,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,297,029.40 : 531,445,544.10 = 312,685,199.10 : x
  2. Step 2: Convert to fraction form
    354,297,029.40/531,445,544.10 = 312,685,199.10/x
  3. Step 3: Cross multiply
    354,297,029.40x = 531,445,544.10 × 312,685,199.10
  4. Step 4: Simplify right side
    354,297,029.40x = 166,175,155,767,716,352
  5. Step 5: Solve for x
    x = 166,175,155,767,716,352/354,297,029.40
  6. Step 6: Final answer
    x = 469,027,798.65

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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.