Home / 438,643,408,802.85-605,237,258,111.44-253,241,905,004.46

Finding the Fourth Proportional to 438,643,408,802.85, 605,237,258,111.44 and 253,241,905,004.46

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Solution

The fourth proportional to 438,643,408,802.85, 605,237,258,111.44 and 253,241,905,004.46 is: 349,421,496,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,643,408,802.85 : 605,237,258,111.44 = 253,241,905,004.46 : x
  2. Step 2: Convert to fraction form
    438,643,408,802.85/605,237,258,111.44 = 253,241,905,004.46/x
  3. Step 3: Cross multiply
    438,643,408,802.85x = 605,237,258,111.44 × 253,241,905,004.46
  4. Step 4: Simplify right side
    438,643,408,802.85x = 153,271,436,223,817,111,830,528
  5. Step 5: Solve for x
    x = 153,271,436,223,817,111,830,528/438,643,408,802.85
  6. Step 6: Final answer
    x = 349,421,496,249.37

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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.