Home / 436,931,938.98-602,974,964.28-238,706,272.80

Finding the Fourth Proportional to 436,931,938.98, 602,974,964.28 and 238,706,272.80

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Solution

The fourth proportional to 436,931,938.98, 602,974,964.28 and 238,706,272.80 is: 329,419,512.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,931,938.98 : 602,974,964.28 = 238,706,272.80 : x
  2. Step 2: Convert to fraction form
    436,931,938.98/602,974,964.28 = 238,706,272.80/x
  3. Step 3: Cross multiply
    436,931,938.98x = 602,974,964.28 × 238,706,272.80
  4. Step 4: Simplify right side
    436,931,938.98x = 143,933,906,314,991,936
  5. Step 5: Solve for x
    x = 143,933,906,314,991,936/436,931,938.98
  6. Step 6: Final answer
    x = 329,419,512.46

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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.