Home / 621,528,388.92-857,709,262.08-343,069,971.48

Finding the Fourth Proportional to 621,528,388.92, 857,709,262.08 and 343,069,971.48

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Solution

The fourth proportional to 621,528,388.92, 857,709,262.08 and 343,069,971.48 is: 473,436,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,528,388.92 : 857,709,262.08 = 343,069,971.48 : x
  2. Step 2: Convert to fraction form
    621,528,388.92/857,709,262.08 = 343,069,971.48/x
  3. Step 3: Cross multiply
    621,528,388.92x = 857,709,262.08 × 343,069,971.48
  4. Step 4: Simplify right side
    621,528,388.92x = 294,254,292,079,917,504
  5. Step 5: Solve for x
    x = 294,254,292,079,917,504/621,528,388.92
  6. Step 6: Final answer
    x = 473,436,607.76

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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.