Home / 1,325,169,189-1,828,815,298.44-730,452,331.98

Finding the Fourth Proportional to 1,325,169,189, 1,828,815,298.44 and 730,452,331.98

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Solution

The fourth proportional to 1,325,169,189, 1,828,815,298.44 and 730,452,331.98 is: 1,008,069,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,169,189 : 1,828,815,298.44 = 730,452,331.98 : x
  2. Step 2: Convert to fraction form
    1,325,169,189/1,828,815,298.44 = 730,452,331.98/x
  3. Step 3: Cross multiply
    1,325,169,189x = 1,828,815,298.44 × 730,452,331.98
  4. Step 4: Simplify right side
    1,325,169,189x = 1,335,862,399,506,197,760
  5. Step 5: Solve for x
    x = 1,335,862,399,506,197,760/1,325,169,189
  6. Step 6: Final answer
    x = 1,008,069,317.18

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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.