Home / 647,526,172.60-971,289,258.90-450,255,273.40

Finding the Fourth Proportional to 647,526,172.60, 971,289,258.90 and 450,255,273.40

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Solution

The fourth proportional to 647,526,172.60, 971,289,258.90 and 450,255,273.40 is: 675,382,910.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,526,172.60 : 971,289,258.90 = 450,255,273.40 : x
  2. Step 2: Convert to fraction form
    647,526,172.60/971,289,258.90 = 450,255,273.40/x
  3. Step 3: Cross multiply
    647,526,172.60x = 971,289,258.90 × 450,255,273.40
  4. Step 4: Simplify right side
    647,526,172.60x = 437,328,110,816,502,848
  5. Step 5: Solve for x
    x = 437,328,110,816,502,848/647,526,172.60
  6. Step 6: Final answer
    x = 675,382,910.10

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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.