Home / 1,299,084,526.40-1,948,626,789.60-885,836,004.80

Finding the Fourth Proportional to 1,299,084,526.40, 1,948,626,789.60 and 885,836,004.80

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Solution

The fourth proportional to 1,299,084,526.40, 1,948,626,789.60 and 885,836,004.80 is: 1,328,754,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,084,526.40 : 1,948,626,789.60 = 885,836,004.80 : x
  2. Step 2: Convert to fraction form
    1,299,084,526.40/1,948,626,789.60 = 885,836,004.80/x
  3. Step 3: Cross multiply
    1,299,084,526.40x = 1,948,626,789.60 × 885,836,004.80
  4. Step 4: Simplify right side
    1,299,084,526.40x = 1,726,163,770,145,513,984
  5. Step 5: Solve for x
    x = 1,726,163,770,145,513,984/1,299,084,526.40
  6. Step 6: Final answer
    x = 1,328,754,007.20

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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.