Home / 510,603,485,190.40-765,905,227,785.60-340,161,428,281.60

Finding the Fourth Proportional to 510,603,485,190.40, 765,905,227,785.60 and 340,161,428,281.60

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Solution

The fourth proportional to 510,603,485,190.40, 765,905,227,785.60 and 340,161,428,281.60 is: 510,242,142,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,603,485,190.40 : 765,905,227,785.60 = 340,161,428,281.60 : x
  2. Step 2: Convert to fraction form
    510,603,485,190.40/765,905,227,785.60 = 340,161,428,281.60/x
  3. Step 3: Cross multiply
    510,603,485,190.40x = 765,905,227,785.60 × 340,161,428,281.60
  4. Step 4: Simplify right side
    510,603,485,190.40x = 260,531,416,211,893,864,366,080
  5. Step 5: Solve for x
    x = 260,531,416,211,893,864,366,080/510,603,485,190.40
  6. Step 6: Final answer
    x = 510,242,142,422.40

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Double scale
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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.