Home / 1,277,365,058.55-1,916,034,814.21-403,966,575.63

Finding the Fourth Proportional to 1,277,365,058.55, 1,916,034,814.21 and 403,966,575.63

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Solution

The fourth proportional to 1,277,365,058.55, 1,916,034,814.21 and 403,966,575.63 is: 605,945,823.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,365,058.55 : 1,916,034,814.21 = 403,966,575.63 : x
  2. Step 2: Convert to fraction form
    1,277,365,058.55/1,916,034,814.21 = 403,966,575.63/x
  3. Step 3: Cross multiply
    1,277,365,058.55x = 1,916,034,814.21 × 403,966,575.63
  4. Step 4: Simplify right side
    1,277,365,058.55x = 774,014,022,684,276,992
  5. Step 5: Solve for x
    x = 774,014,022,684,276,992/1,277,365,058.55
  6. Step 6: Final answer
    x = 605,945,823.79

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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.