Home / 552,323,205,653.62-762,095,479,112.18-308,415,145,665.40

Finding the Fourth Proportional to 552,323,205,653.62, 762,095,479,112.18 and 308,415,145,665.40

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Solution

The fourth proportional to 552,323,205,653.62, 762,095,479,112.18 and 308,415,145,665.40 is: 425,551,173,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,323,205,653.62 : 762,095,479,112.18 = 308,415,145,665.40 : x
  2. Step 2: Convert to fraction form
    552,323,205,653.62/762,095,479,112.18 = 308,415,145,665.40/x
  3. Step 3: Cross multiply
    552,323,205,653.62x = 762,095,479,112.18 × 308,415,145,665.40
  4. Step 4: Simplify right side
    552,323,205,653.62x = 235,041,788,201,325,838,729,216
  5. Step 5: Solve for x
    x = 235,041,788,201,325,838,729,216/552,323,205,653.62
  6. Step 6: Final answer
    x = 425,551,173,290.24

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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.