Home / 1,256,108,098,511.80-1,884,710,190,893.80-439,866,687,975.36

Finding the Fourth Proportional to 1,256,108,098,511.80, 1,884,710,190,893.80 and 439,866,687,975.36

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Solution

The fourth proportional to 1,256,108,098,511.80, 1,884,710,190,893.80 and 439,866,687,975.36 is: 659,991,946,906.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,108,098,511.80 : 1,884,710,190,893.80 = 439,866,687,975.36 : x
  2. Step 2: Convert to fraction form
    1,256,108,098,511.80/1,884,710,190,893.80 = 439,866,687,975.36/x
  3. Step 3: Cross multiply
    1,256,108,098,511.80x = 1,884,710,190,893.80 × 439,866,687,975.36
  4. Step 4: Simplify right side
    1,256,108,098,511.80x = 829,021,229,461,864,326,365,184
  5. Step 5: Solve for x
    x = 829,021,229,461,864,326,365,184/1,256,108,098,511.80
  6. Step 6: Final answer
    x = 659,991,946,906.53

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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.