Home / 1,256,108,098,509.80-1,884,710,190,890.80-439,866,687,973.36

Finding the Fourth Proportional to 1,256,108,098,509.80, 1,884,710,190,890.80 and 439,866,687,973.36

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Solution

The fourth proportional to 1,256,108,098,509.80, 1,884,710,190,890.80 and 439,866,687,973.36 is: 659,991,946,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,108,098,509.80 : 1,884,710,190,890.80 = 439,866,687,973.36 : x
  2. Step 2: Convert to fraction form
    1,256,108,098,509.80/1,884,710,190,890.80 = 439,866,687,973.36/x
  3. Step 3: Cross multiply
    1,256,108,098,509.80x = 1,884,710,190,890.80 × 439,866,687,973.36
  4. Step 4: Simplify right side
    1,256,108,098,509.80x = 829,021,229,456,775,326,990,336
  5. Step 5: Solve for x
    x = 829,021,229,456,775,326,990,336/1,256,108,098,509.80
  6. Step 6: Final answer
    x = 659,991,946,903.53

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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.