Home / 314,566,467.40-434,287,937.55-279,662,751.10

Finding the Fourth Proportional to 314,566,467.40, 434,287,937.55 and 279,662,751.10

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Solution

The fourth proportional to 314,566,467.40, 434,287,937.55 and 279,662,751.10 is: 386,100,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,566,467.40 : 434,287,937.55 = 279,662,751.10 : x
  2. Step 2: Convert to fraction form
    314,566,467.40/434,287,937.55 = 279,662,751.10/x
  3. Step 3: Cross multiply
    314,566,467.40x = 434,287,937.55 × 279,662,751.10
  4. Step 4: Simplify right side
    314,566,467.40x = 121,454,159,384,778,000
  5. Step 5: Solve for x
    x = 121,454,159,384,778,000/314,566,467.40
  6. Step 6: Final answer
    x = 386,100,147.26

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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.