Home / 583,871,247-805,744,456.74-315,947,082.60

Finding the Fourth Proportional to 583,871,247, 805,744,456.74 and 315,947,082.60

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Solution

The fourth proportional to 583,871,247, 805,744,456.74 and 315,947,082.60 is: 436,008,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,871,247 : 805,744,456.74 = 315,947,082.60 : x
  2. Step 2: Convert to fraction form
    583,871,247/805,744,456.74 = 315,947,082.60/x
  3. Step 3: Cross multiply
    583,871,247x = 805,744,456.74 × 315,947,082.60
  4. Step 4: Simplify right side
    583,871,247x = 254,572,610,428,124,928
  5. Step 5: Solve for x
    x = 254,572,610,428,124,928/583,871,247
  6. Step 6: Final answer
    x = 436,008,129.77

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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.