Home / 823,400,290.80-1,233,966,695.40-546,263,650.80

Finding the Fourth Proportional to 823,400,290.80, 1,233,966,695.40 and 546,263,650.80

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Solution

The fourth proportional to 823,400,290.80, 1,233,966,695.40 and 546,263,650.80 is: 818,643,325.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,400,290.80 : 1,233,966,695.40 = 546,263,650.80 : x
  2. Step 2: Convert to fraction form
    823,400,290.80/1,233,966,695.40 = 546,263,650.80/x
  3. Step 3: Cross multiply
    823,400,290.80x = 1,233,966,695.40 × 546,263,650.80
  4. Step 4: Simplify right side
    823,400,290.80x = 674,071,151,994,815,616
  5. Step 5: Solve for x
    x = 674,071,151,994,815,616/823,400,290.80
  6. Step 6: Final answer
    x = 818,643,325.16

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Double scale
Find fourth proportional to 823,400,291.80, 1,233,966,696.90 and 546,263,651.80
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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.