Home / 935,735,171.36-1,291,314,848.88-512,375,608.76

Finding the Fourth Proportional to 935,735,171.36, 1,291,314,848.88 and 512,375,608.76

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Solution

The fourth proportional to 935,735,171.36, 1,291,314,848.88 and 512,375,608.76 is: 707,078,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,735,171.36 : 1,291,314,848.88 = 512,375,608.76 : x
  2. Step 2: Convert to fraction form
    935,735,171.36/1,291,314,848.88 = 512,375,608.76/x
  3. Step 3: Cross multiply
    935,735,171.36x = 1,291,314,848.88 × 512,375,608.76
  4. Step 4: Simplify right side
    935,735,171.36x = 661,638,231,795,717,504
  5. Step 5: Solve for x
    x = 661,638,231,795,717,504/935,735,171.36
  6. Step 6: Final answer
    x = 707,078,511.15

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1.5x scale

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.