Home / 1,265,362,189-1,898,346,321.52-528,021,927.34

Finding the Fourth Proportional to 1,265,362,189, 1,898,346,321.52 and 528,021,927.34

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Solution

The fourth proportional to 1,265,362,189, 1,898,346,321.52 and 528,021,927.34 is: 792,159,345.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,362,189 : 1,898,346,321.52 = 528,021,927.34 : x
  2. Step 2: Convert to fraction form
    1,265,362,189/1,898,346,321.52 = 528,021,927.34/x
  3. Step 3: Cross multiply
    1,265,362,189x = 1,898,346,321.52 × 528,021,927.34
  4. Step 4: Simplify right side
    1,265,362,189x = 1,002,368,483,447,789,696
  5. Step 5: Solve for x
    x = 1,002,368,483,447,789,696/1,265,362,189
  6. Step 6: Final answer
    x = 792,159,345.49

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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.