Home / 991,635,430.80-1,485,661,555.80-848,308,198.80

Finding the Fourth Proportional to 991,635,430.80, 1,485,661,555.80 and 848,308,198.80

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Solution

The fourth proportional to 991,635,430.80, 1,485,661,555.80 and 848,308,198.80 is: 1,270,929,657.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,635,430.80 : 1,485,661,555.80 = 848,308,198.80 : x
  2. Step 2: Convert to fraction form
    991,635,430.80/1,485,661,555.80 = 848,308,198.80/x
  3. Step 3: Cross multiply
    991,635,430.80x = 1,485,661,555.80 × 848,308,198.80
  4. Step 4: Simplify right side
    991,635,430.80x = 1,260,298,878,427,103,488
  5. Step 5: Solve for x
    x = 1,260,298,878,427,103,488/991,635,430.80
  6. Step 6: Final answer
    x = 1,270,929,657.50

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1.5x scale

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.