Home / 708,751,207.20-1,063,126,810.80-325,798,759.20

Finding the Fourth Proportional to 708,751,207.20, 1,063,126,810.80 and 325,798,759.20

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Solution

The fourth proportional to 708,751,207.20, 1,063,126,810.80 and 325,798,759.20 is: 488,698,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,751,207.20 : 1,063,126,810.80 = 325,798,759.20 : x
  2. Step 2: Convert to fraction form
    708,751,207.20/1,063,126,810.80 = 325,798,759.20/x
  3. Step 3: Cross multiply
    708,751,207.20x = 1,063,126,810.80 × 325,798,759.20
  4. Step 4: Simplify right side
    708,751,207.20x = 346,365,395,830,893,120
  5. Step 5: Solve for x
    x = 346,365,395,830,893,120/708,751,207.20
  6. Step 6: Final answer
    x = 488,698,138.80

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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.