Home / 1,819,181,776.95-2,728,772,927.33-438,996,289.95

Finding the Fourth Proportional to 1,819,181,776.95, 2,728,772,927.33 and 438,996,289.95

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Solution

The fourth proportional to 1,819,181,776.95, 2,728,772,927.33 and 438,996,289.95 is: 658,494,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,181,776.95 : 2,728,772,927.33 = 438,996,289.95 : x
  2. Step 2: Convert to fraction form
    1,819,181,776.95/2,728,772,927.33 = 438,996,289.95/x
  3. Step 3: Cross multiply
    1,819,181,776.95x = 2,728,772,927.33 × 438,996,289.95
  4. Step 4: Simplify right side
    1,819,181,776.95x = 1,197,921,191,211,675,904
  5. Step 5: Solve for x
    x = 1,197,921,191,211,675,904/1,819,181,776.95
  6. Step 6: Final answer
    x = 658,494,498.13

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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.