Home / 438,643,410,703.02-605,237,260,728.60-253,241,906,903.10

Finding the Fourth Proportional to 438,643,410,703.02, 605,237,260,728.60 and 253,241,906,903.10

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Solution

The fourth proportional to 438,643,410,703.02, 605,237,260,728.60 and 253,241,906,903.10 is: 349,421,498,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,643,410,703.02 : 605,237,260,728.60 = 253,241,906,903.10 : x
  2. Step 2: Convert to fraction form
    438,643,410,703.02/605,237,260,728.60 = 253,241,906,903.10/x
  3. Step 3: Cross multiply
    438,643,410,703.02x = 605,237,260,728.60 × 253,241,906,903.10
  4. Step 4: Simplify right side
    438,643,410,703.02x = 153,271,438,035,719,395,737,600
  5. Step 5: Solve for x
    x = 153,271,438,035,719,395,737,600/438,643,410,703.02
  6. Step 6: Final answer
    x = 349,421,498,866.40

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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.