Home / 2,021,939,603.80-3,032,909,405.70-987,464,109.40

Finding the Fourth Proportional to 2,021,939,603.80, 3,032,909,405.70 and 987,464,109.40

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Solution

The fourth proportional to 2,021,939,603.80, 3,032,909,405.70 and 987,464,109.40 is: 1,481,196,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,939,603.80 : 3,032,909,405.70 = 987,464,109.40 : x
  2. Step 2: Convert to fraction form
    2,021,939,603.80/3,032,909,405.70 = 987,464,109.40/x
  3. Step 3: Cross multiply
    2,021,939,603.80x = 3,032,909,405.70 × 987,464,109.40
  4. Step 4: Simplify right side
    2,021,939,603.80x = 2,994,889,185,190,433,280
  5. Step 5: Solve for x
    x = 2,994,889,185,190,433,280/2,021,939,603.80
  6. Step 6: Final answer
    x = 1,481,196,164.10

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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.