Home / 1,653,371,999.40-2,480,057,999.10-1,489,794,459.60

Finding the Fourth Proportional to 1,653,371,999.40, 2,480,057,999.10 and 1,489,794,459.60

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Solution

The fourth proportional to 1,653,371,999.40, 2,480,057,999.10 and 1,489,794,459.60 is: 2,234,691,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,371,999.40 : 2,480,057,999.10 = 1,489,794,459.60 : x
  2. Step 2: Convert to fraction form
    1,653,371,999.40/2,480,057,999.10 = 1,489,794,459.60/x
  3. Step 3: Cross multiply
    1,653,371,999.40x = 2,480,057,999.10 × 1,489,794,459.60
  4. Step 4: Simplify right side
    1,653,371,999.40x = 3,694,776,666,545,841,152
  5. Step 5: Solve for x
    x = 3,694,776,666,545,841,152/1,653,371,999.40
  6. Step 6: Final answer
    x = 2,234,691,689.40

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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.