Home / 438,643,408,801.85-605,237,258,110.06-253,241,905,003.46

Finding the Fourth Proportional to 438,643,408,801.85, 605,237,258,110.06 and 253,241,905,003.46

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Solution

The fourth proportional to 438,643,408,801.85, 605,237,258,110.06 and 253,241,905,003.46 is: 349,421,496,247.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,643,408,801.85 : 605,237,258,110.06 = 253,241,905,003.46 : x
  2. Step 2: Convert to fraction form
    438,643,408,801.85/605,237,258,110.06 = 253,241,905,003.46/x
  3. Step 3: Cross multiply
    438,643,408,801.85x = 605,237,258,110.06 × 253,241,905,003.46
  4. Step 4: Simplify right side
    438,643,408,801.85x = 153,271,436,222,862,421,131,264
  5. Step 5: Solve for x
    x = 153,271,436,222,862,421,131,264/438,643,408,801.85
  6. Step 6: Final answer
    x = 349,421,496,247.99

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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.