Home / 899,179,931.25-1,348,862,419.40-339,413,249.07

Finding the Fourth Proportional to 899,179,931.25, 1,348,862,419.40 and 339,413,249.07

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Solution

The fourth proportional to 899,179,931.25, 1,348,862,419.40 and 339,413,249.07 is: 509,154,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,179,931.25 : 1,348,862,419.40 = 339,413,249.07 : x
  2. Step 2: Convert to fraction form
    899,179,931.25/1,348,862,419.40 = 339,413,249.07/x
  3. Step 3: Cross multiply
    899,179,931.25x = 1,348,862,419.40 × 339,413,249.07
  4. Step 4: Simplify right side
    899,179,931.25x = 457,821,776,315,277,888
  5. Step 5: Solve for x
    x = 457,821,776,315,277,888/899,179,931.25
  6. Step 6: Final answer
    x = 509,154,798.06

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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.