Home / 607,823,556-911,511,992.40-208,868,984.40

Finding the Fourth Proportional to 607,823,556, 911,511,992.40 and 208,868,984.40

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Solution

The fourth proportional to 607,823,556, 911,511,992.40 and 208,868,984.40 is: 313,226,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,823,556 : 911,511,992.40 = 208,868,984.40 : x
  2. Step 2: Convert to fraction form
    607,823,556/911,511,992.40 = 208,868,984.40/x
  3. Step 3: Cross multiply
    607,823,556x = 911,511,992.40 × 208,868,984.40
  4. Step 4: Simplify right side
    607,823,556x = 190,386,584,121,008,512
  5. Step 5: Solve for x
    x = 190,386,584,121,008,512/607,823,556
  6. Step 6: Final answer
    x = 313,226,728.78

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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.