Home / 403,525,915.40-605,111,726.10-185,103,664.40

Finding the Fourth Proportional to 403,525,915.40, 605,111,726.10 and 185,103,664.40

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Solution

The fourth proportional to 403,525,915.40, 605,111,726.10 and 185,103,664.40 is: 277,574,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,525,915.40 : 605,111,726.10 = 185,103,664.40 : x
  2. Step 2: Convert to fraction form
    403,525,915.40/605,111,726.10 = 185,103,664.40/x
  3. Step 3: Cross multiply
    403,525,915.40x = 605,111,726.10 × 185,103,664.40
  4. Step 4: Simplify right side
    403,525,915.40x = 112,008,397,872,519,136
  5. Step 5: Solve for x
    x = 112,008,397,872,519,136/403,525,915.40
  6. Step 6: Final answer
    x = 277,574,236.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.