Home / 989,604,918.89-1,483,687,667.54-464,703,544.31

Finding the Fourth Proportional to 989,604,918.89, 1,483,687,667.54 and 464,703,544.31

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Solution

The fourth proportional to 989,604,918.89, 1,483,687,667.54 and 464,703,544.31 is: 696,717,351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,604,918.89 : 1,483,687,667.54 = 464,703,544.31 : x
  2. Step 2: Convert to fraction form
    989,604,918.89/1,483,687,667.54 = 464,703,544.31/x
  3. Step 3: Cross multiply
    989,604,918.89x = 1,483,687,667.54 × 464,703,544.31
  4. Step 4: Simplify right side
    989,604,918.89x = 689,474,917,745,133,056
  5. Step 5: Solve for x
    x = 689,474,917,745,133,056/989,604,918.89
  6. Step 6: Final answer
    x = 696,717,351.12

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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.