Home / 510,603,485,192.40-765,905,227,788.60-340,161,428,283.60

Finding the Fourth Proportional to 510,603,485,192.40, 765,905,227,788.60 and 340,161,428,283.60

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Solution

The fourth proportional to 510,603,485,192.40, 765,905,227,788.60 and 340,161,428,283.60 is: 510,242,142,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,603,485,192.40 : 765,905,227,788.60 = 340,161,428,283.60 : x
  2. Step 2: Convert to fraction form
    510,603,485,192.40/765,905,227,788.60 = 340,161,428,283.60/x
  3. Step 3: Cross multiply
    510,603,485,192.40x = 765,905,227,788.60 × 340,161,428,283.60
  4. Step 4: Simplify right side
    510,603,485,192.40x = 260,531,416,214,446,148,681,728
  5. Step 5: Solve for x
    x = 260,531,416,214,446,148,681,728/510,603,485,192.40
  6. Step 6: Final answer
    x = 510,242,142,425.40

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Double scale
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Similar ratio
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1.5x scale

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.