Home / 314,928,430.80-472,392,646.20-263,910,094.80

Finding the Fourth Proportional to 314,928,430.80, 472,392,646.20 and 263,910,094.80

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Solution

The fourth proportional to 314,928,430.80, 472,392,646.20 and 263,910,094.80 is: 395,865,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,430.80 : 472,392,646.20 = 263,910,094.80 : x
  2. Step 2: Convert to fraction form
    314,928,430.80/472,392,646.20 = 263,910,094.80/x
  3. Step 3: Cross multiply
    314,928,430.80x = 472,392,646.20 × 263,910,094.80
  4. Step 4: Simplify right side
    314,928,430.80x = 124,669,188,041,464,864
  5. Step 5: Solve for x
    x = 124,669,188,041,464,864/314,928,430.80
  6. Step 6: Final answer
    x = 395,865,142.20

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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.