Home / 830,629,221.40-1,245,943,832.10-830,629,221.40

Finding the Fourth Proportional to 830,629,221.40, 1,245,943,832.10 and 830,629,221.40

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Solution

The fourth proportional to 830,629,221.40, 1,245,943,832.10 and 830,629,221.40 is: 1,245,943,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,629,221.40 : 1,245,943,832.10 = 830,629,221.40 : x
  2. Step 2: Convert to fraction form
    830,629,221.40/1,245,943,832.10 = 830,629,221.40/x
  3. Step 3: Cross multiply
    830,629,221.40x = 1,245,943,832.10 × 830,629,221.40
  4. Step 4: Simplify right side
    830,629,221.40x = 1,034,917,355,165,355,264
  5. Step 5: Solve for x
    x = 1,034,917,355,165,355,264/830,629,221.40
  6. Step 6: Final answer
    x = 1,245,943,832.10

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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.