Home / 555,936,822.90-766,874,071.53-346,729,757.22

Finding the Fourth Proportional to 555,936,822.90, 766,874,071.53 and 346,729,757.22

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Solution

The fourth proportional to 555,936,822.90, 766,874,071.53 and 346,729,757.22 is: 478,288,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,936,822.90 : 766,874,071.53 = 346,729,757.22 : x
  2. Step 2: Convert to fraction form
    555,936,822.90/766,874,071.53 = 346,729,757.22/x
  3. Step 3: Cross multiply
    555,936,822.90x = 766,874,071.53 × 346,729,757.22
  4. Step 4: Simplify right side
    555,936,822.90x = 265,898,060,639,909,824
  5. Step 5: Solve for x
    x = 265,898,060,639,909,824/555,936,822.90
  6. Step 6: Final answer
    x = 478,288,268.90

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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.