Home / 385,526,110,807.05-532,018,875,591.30-211,907,538,681.29

Finding the Fourth Proportional to 385,526,110,807.05, 532,018,875,591.30 and 211,907,538,681.29

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Solution

The fourth proportional to 385,526,110,807.05, 532,018,875,591.30 and 211,907,538,681.29 is: 292,428,469,300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,526,110,807.05 : 532,018,875,591.30 = 211,907,538,681.29 : x
  2. Step 2: Convert to fraction form
    385,526,110,807.05/532,018,875,591.30 = 211,907,538,681.29/x
  3. Step 3: Cross multiply
    385,526,110,807.05x = 532,018,875,591.30 × 211,907,538,681.29
  4. Step 4: Simplify right side
    385,526,110,807.05x = 112,738,810,458,539,812,716,544
  5. Step 5: Solve for x
    x = 112,738,810,458,539,812,716,544/385,526,110,807.05
  6. Step 6: Final answer
    x = 292,428,469,300.14

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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.