Home / 313,909,628.40-470,864,442.60-245,810,530.80

Finding the Fourth Proportional to 313,909,628.40, 470,864,442.60 and 245,810,530.80

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Solution

The fourth proportional to 313,909,628.40, 470,864,442.60 and 245,810,530.80 is: 368,715,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,909,628.40 : 470,864,442.60 = 245,810,530.80 : x
  2. Step 2: Convert to fraction form
    313,909,628.40/470,864,442.60 = 245,810,530.80/x
  3. Step 3: Cross multiply
    313,909,628.40x = 470,864,442.60 × 245,810,530.80
  4. Step 4: Simplify right side
    313,909,628.40x = 115,743,438,570,352,144
  5. Step 5: Solve for x
    x = 115,743,438,570,352,144/313,909,628.40
  6. Step 6: Final answer
    x = 368,715,796.20

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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.