Home / 438,643,408,803.85-605,237,258,112.82-253,241,905,005.46

Finding the Fourth Proportional to 438,643,408,803.85, 605,237,258,112.82 and 253,241,905,005.46

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Solution

The fourth proportional to 438,643,408,803.85, 605,237,258,112.82 and 253,241,905,005.46 is: 349,421,496,250.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,643,408,803.85 : 605,237,258,112.82 = 253,241,905,005.46 : x
  2. Step 2: Convert to fraction form
    438,643,408,803.85/605,237,258,112.82 = 253,241,905,005.46/x
  3. Step 3: Cross multiply
    438,643,408,803.85x = 605,237,258,112.82 × 253,241,905,005.46
  4. Step 4: Simplify right side
    438,643,408,803.85x = 153,271,436,224,771,802,529,792
  5. Step 5: Solve for x
    x = 153,271,436,224,771,802,529,792/438,643,408,803.85
  6. Step 6: Final answer
    x = 349,421,496,250.75

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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.