Home / 516,139,160.00-774,450,877.55-257,374,558.38

Finding the Fourth Proportional to 516,139,160.00, 774,450,877.55 and 257,374,558.38

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Solution

The fourth proportional to 516,139,160.00, 774,450,877.55 and 257,374,558.38 is: 386,182,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,139,160.00 : 774,450,877.55 = 257,374,558.38 : x
  2. Step 2: Convert to fraction form
    516,139,160.00/774,450,877.55 = 257,374,558.38/x
  3. Step 3: Cross multiply
    516,139,160.00x = 774,450,877.55 × 257,374,558.38
  4. Step 4: Simplify right side
    516,139,160.00x = 199,323,952,598,059,776
  5. Step 5: Solve for x
    x = 199,323,952,598,059,776/516,139,160.00
  6. Step 6: Final answer
    x = 386,182,580.29

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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.