Home / 346,865,496.48-478,683,173.52-190,238,839.20

Finding the Fourth Proportional to 346,865,496.48, 478,683,173.52 and 190,238,839.20

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Solution

The fourth proportional to 346,865,496.48, 478,683,173.52 and 190,238,839.20 is: 262,534,418.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,865,496.48 : 478,683,173.52 = 190,238,839.20 : x
  2. Step 2: Convert to fraction form
    346,865,496.48/478,683,173.52 = 190,238,839.20/x
  3. Step 3: Cross multiply
    346,865,496.48x = 478,683,173.52 × 190,238,839.20
  4. Step 4: Simplify right side
    346,865,496.48x = 91,064,131,275,016,976
  5. Step 5: Solve for x
    x = 91,064,131,275,016,976/346,865,496.48
  6. Step 6: Final answer
    x = 262,534,418.09

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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.