Home / 1,673,757,837.36-2,309,807,062.98-921,157,665.48

Finding the Fourth Proportional to 1,673,757,837.36, 2,309,807,062.98 and 921,157,665.48

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Solution

The fourth proportional to 1,673,757,837.36, 2,309,807,062.98 and 921,157,665.48 is: 1,271,209,271.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,757,837.36 : 2,309,807,062.98 = 921,157,665.48 : x
  2. Step 2: Convert to fraction form
    1,673,757,837.36/2,309,807,062.98 = 921,157,665.48/x
  3. Step 3: Cross multiply
    1,673,757,837.36x = 2,309,807,062.98 × 921,157,665.48
  4. Step 4: Simplify right side
    1,673,757,837.36x = 2,127,696,481,843,872,256
  5. Step 5: Solve for x
    x = 2,127,696,481,843,872,256/1,673,757,837.36
  6. Step 6: Final answer
    x = 1,271,209,271.95

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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.