Home / 583,871,078.76-805,744,223.28-315,946,912.56

Finding the Fourth Proportional to 583,871,078.76, 805,744,223.28 and 315,946,912.56

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Solution

The fourth proportional to 583,871,078.76, 805,744,223.28 and 315,946,912.56 is: 436,007,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,871,078.76 : 805,744,223.28 = 315,946,912.56 : x
  2. Step 2: Convert to fraction form
    583,871,078.76/805,744,223.28 = 315,946,912.56/x
  3. Step 3: Cross multiply
    583,871,078.76x = 805,744,223.28 × 315,946,912.56
  4. Step 4: Simplify right side
    583,871,078.76x = 254,572,399,658,371,264
  5. Step 5: Solve for x
    x = 254,572,399,658,371,264/583,871,078.76
  6. Step 6: Final answer
    x = 436,007,894.41

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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.