Home / 297,841,538.40-446,762,307.60-221,314,034.40

Finding the Fourth Proportional to 297,841,538.40, 446,762,307.60 and 221,314,034.40

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Solution

The fourth proportional to 297,841,538.40, 446,762,307.60 and 221,314,034.40 is: 331,971,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,841,538.40 : 446,762,307.60 = 221,314,034.40 : x
  2. Step 2: Convert to fraction form
    297,841,538.40/446,762,307.60 = 221,314,034.40/x
  3. Step 3: Cross multiply
    297,841,538.40x = 446,762,307.60 × 221,314,034.40
  4. Step 4: Simplify right side
    297,841,538.40x = 98,874,768,712,809,792
  5. Step 5: Solve for x
    x = 98,874,768,712,809,792/297,841,538.40
  6. Step 6: Final answer
    x = 331,971,051.60

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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.