Home / 583,871,028.96-805,744,154.56-315,946,862.78

Finding the Fourth Proportional to 583,871,028.96, 805,744,154.56 and 315,946,862.78

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Solution

The fourth proportional to 583,871,028.96, 805,744,154.56 and 315,946,862.78 is: 436,007,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,871,028.96 : 805,744,154.56 = 315,946,862.78 : x
  2. Step 2: Convert to fraction form
    583,871,028.96/805,744,154.56 = 315,946,862.78/x
  3. Step 3: Cross multiply
    583,871,028.96x = 805,744,154.56 × 315,946,862.78
  4. Step 4: Simplify right side
    583,871,028.96x = 254,572,337,836,555,392
  5. Step 5: Solve for x
    x = 254,572,337,836,555,392/583,871,028.96
  6. Step 6: Final answer
    x = 436,007,825.72

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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.