Home / 1,987,006,463,999.60-2,980,509,695,999.40-793,936,252,108.40

Finding the Fourth Proportional to 1,987,006,463,999.60, 2,980,509,695,999.40 and 793,936,252,108.40

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Solution

The fourth proportional to 1,987,006,463,999.60, 2,980,509,695,999.40 and 793,936,252,108.40 is: 1,190,904,378,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,006,463,999.60 : 2,980,509,695,999.40 = 793,936,252,108.40 : x
  2. Step 2: Convert to fraction form
    1,987,006,463,999.60/2,980,509,695,999.40 = 793,936,252,108.40/x
  3. Step 3: Cross multiply
    1,987,006,463,999.60x = 2,980,509,695,999.40 × 793,936,252,108.40
  4. Step 4: Simplify right side
    1,987,006,463,999.60x = 2,366,334,697,414,510,252,130,304
  5. Step 5: Solve for x
    x = 2,366,334,697,414,510,252,130,304/1,987,006,463,999.60
  6. Step 6: Final answer
    x = 1,190,904,378,162.60

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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.