Home / 682,673,125.63-942,093,263.16-400,358,004.97

Finding the Fourth Proportional to 682,673,125.63, 942,093,263.16 and 400,358,004.97

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Solution

The fourth proportional to 682,673,125.63, 942,093,263.16 and 400,358,004.97 is: 552,496,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,673,125.63 : 942,093,263.16 = 400,358,004.97 : x
  2. Step 2: Convert to fraction form
    682,673,125.63/942,093,263.16 = 400,358,004.97/x
  3. Step 3: Cross multiply
    682,673,125.63x = 942,093,263.16 × 400,358,004.97
  4. Step 4: Simplify right side
    682,673,125.63x = 377,174,579,327,702,528
  5. Step 5: Solve for x
    x = 377,174,579,327,702,528/682,673,125.63
  6. Step 6: Final answer
    x = 552,496,597.82

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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.