Home / 1,174,560,945.95-1,620,435,349.98-672,501,408.86

Finding the Fourth Proportional to 1,174,560,945.95, 1,620,435,349.98 and 672,501,408.86

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Solution

The fourth proportional to 1,174,560,945.95, 1,620,435,349.98 and 672,501,408.86 is: 927,789,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,560,945.95 : 1,620,435,349.98 = 672,501,408.86 : x
  2. Step 2: Convert to fraction form
    1,174,560,945.95/1,620,435,349.98 = 672,501,408.86/x
  3. Step 3: Cross multiply
    1,174,560,945.95x = 1,620,435,349.98 × 672,501,408.86
  4. Step 4: Simplify right side
    1,174,560,945.95x = 1,089,745,055,819,995,008
  5. Step 5: Solve for x
    x = 1,089,745,055,819,995,008/1,174,560,945.95
  6. Step 6: Final answer
    x = 927,789,281.25

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1.5x scale

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.