Home / 314,566,453.93-434,287,919.00-279,662,737.65

Finding the Fourth Proportional to 314,566,453.93, 434,287,919.00 and 279,662,737.65

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Solution

The fourth proportional to 314,566,453.93, 434,287,919.00 and 279,662,737.65 is: 386,100,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,566,453.93 : 434,287,919.00 = 279,662,737.65 : x
  2. Step 2: Convert to fraction form
    314,566,453.93/434,287,919.00 = 279,662,737.65/x
  3. Step 3: Cross multiply
    314,566,453.93x = 434,287,919.00 × 279,662,737.65
  4. Step 4: Simplify right side
    314,566,453.93x = 121,454,148,354,463,120
  5. Step 5: Solve for x
    x = 121,454,148,354,463,120/314,566,453.93
  6. Step 6: Final answer
    x = 386,100,128.72

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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.