Home / 1,298,865,184.48-1,792,567,550.44-790,264,004.76

Finding the Fourth Proportional to 1,298,865,184.48, 1,792,567,550.44 and 790,264,004.76

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Solution

The fourth proportional to 1,298,865,184.48, 1,792,567,550.44 and 790,264,004.76 is: 1,090,645,609.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,865,184.48 : 1,792,567,550.44 = 790,264,004.76 : x
  2. Step 2: Convert to fraction form
    1,298,865,184.48/1,792,567,550.44 = 790,264,004.76/x
  3. Step 3: Cross multiply
    1,298,865,184.48x = 1,792,567,550.44 × 790,264,004.76
  4. Step 4: Simplify right side
    1,298,865,184.48x = 1,416,601,611,213,537,792
  5. Step 5: Solve for x
    x = 1,416,601,611,213,537,792/1,298,865,184.48
  6. Step 6: Final answer
    x = 1,090,645,609.83

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Half scale
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Double scale
Find fourth proportional to 1,298,865,185.48, 1,792,567,551.82 and 790,264,005.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.