Home / 438,643,410,706.02-605,237,260,732.74-253,241,906,906.10

Finding the Fourth Proportional to 438,643,410,706.02, 605,237,260,732.74 and 253,241,906,906.10

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Solution

The fourth proportional to 438,643,410,706.02, 605,237,260,732.74 and 253,241,906,906.10 is: 349,421,498,870.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,643,410,706.02 : 605,237,260,732.74 = 253,241,906,906.10 : x
  2. Step 2: Convert to fraction form
    438,643,410,706.02/605,237,260,732.74 = 253,241,906,906.10/x
  3. Step 3: Cross multiply
    438,643,410,706.02x = 605,237,260,732.74 × 253,241,906,906.10
  4. Step 4: Simplify right side
    438,643,410,706.02x = 153,271,438,038,583,501,389,824
  5. Step 5: Solve for x
    x = 153,271,438,038,583,501,389,824/438,643,410,706.02
  6. Step 6: Final answer
    x = 349,421,498,870.54

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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.