Home / 552,323,205,673.68-762,095,479,139.76-308,415,145,685.36

Finding the Fourth Proportional to 552,323,205,673.68, 762,095,479,139.76 and 308,415,145,685.36

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Solution

The fourth proportional to 552,323,205,673.68, 762,095,479,139.76 and 308,415,145,685.36 is: 425,551,173,317.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,323,205,673.68 : 762,095,479,139.76 = 308,415,145,685.36 : x
  2. Step 2: Convert to fraction form
    552,323,205,673.68/762,095,479,139.76 = 308,415,145,685.36/x
  3. Step 3: Cross multiply
    552,323,205,673.68x = 762,095,479,139.76 × 308,415,145,685.36
  4. Step 4: Simplify right side
    552,323,205,673.68x = 235,041,788,225,043,319,226,368
  5. Step 5: Solve for x
    x = 235,041,788,225,043,319,226,368/552,323,205,673.68
  6. Step 6: Final answer
    x = 425,551,173,317.73

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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.