Home / 1,325,169,190.75-1,828,815,300.86-730,452,333.73

Finding the Fourth Proportional to 1,325,169,190.75, 1,828,815,300.86 and 730,452,333.73

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Solution

The fourth proportional to 1,325,169,190.75, 1,828,815,300.86 and 730,452,333.73 is: 1,008,069,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,169,190.75 : 1,828,815,300.86 = 730,452,333.73 : x
  2. Step 2: Convert to fraction form
    1,325,169,190.75/1,828,815,300.86 = 730,452,333.73/x
  3. Step 3: Cross multiply
    1,325,169,190.75x = 1,828,815,300.86 × 730,452,333.73
  4. Step 4: Simplify right side
    1,325,169,190.75x = 1,335,862,404,470,666,752
  5. Step 5: Solve for x
    x = 1,335,862,404,470,666,752/1,325,169,190.75
  6. Step 6: Final answer
    x = 1,008,069,319.60

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Double scale
Find fourth proportional to 1,325,169,191.75, 1,828,815,302.24 and 730,452,334.73
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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.