Home / 1,525,084,518.05-2,104,501,133.93-855,900,321.72

Finding the Fourth Proportional to 1,525,084,518.05, 2,104,501,133.93 and 855,900,321.72

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Solution

The fourth proportional to 1,525,084,518.05, 2,104,501,133.93 and 855,900,321.72 is: 1,181,077,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,084,518.05 : 2,104,501,133.93 = 855,900,321.72 : x
  2. Step 2: Convert to fraction form
    1,525,084,518.05/2,104,501,133.93 = 855,900,321.72/x
  3. Step 3: Cross multiply
    1,525,084,518.05x = 2,104,501,133.93 × 855,900,321.72
  4. Step 4: Simplify right side
    1,525,084,518.05x = 1,801,243,197,586,512,384
  5. Step 5: Solve for x
    x = 1,801,243,197,586,512,384/1,525,084,518.05
  6. Step 6: Final answer
    x = 1,181,077,623.09

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1.5x scale

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.