Home / 583,871,025.96-805,744,150.42-315,946,859.78

Finding the Fourth Proportional to 583,871,025.96, 805,744,150.42 and 315,946,859.78

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Solution

The fourth proportional to 583,871,025.96, 805,744,150.42 and 315,946,859.78 is: 436,007,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,871,025.96 : 805,744,150.42 = 315,946,859.78 : x
  2. Step 2: Convert to fraction form
    583,871,025.96/805,744,150.42 = 315,946,859.78/x
  3. Step 3: Cross multiply
    583,871,025.96x = 805,744,150.42 × 315,946,859.78
  4. Step 4: Simplify right side
    583,871,025.96x = 254,572,334,111,302,944
  5. Step 5: Solve for x
    x = 254,572,334,111,302,944/583,871,025.96
  6. Step 6: Final answer
    x = 436,007,821.58

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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.