Home / 1,435,052,768,672.80-1,979,439,693,616.60-920,403,391,085.10

Finding the Fourth Proportional to 1,435,052,768,672.80, 1,979,439,693,616.60 and 920,403,391,085.10

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Solution

The fourth proportional to 1,435,052,768,672.80, 1,979,439,693,616.60 and 920,403,391,085.10 is: 1,269,558,197,597.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,052,768,672.80 : 1,979,439,693,616.60 = 920,403,391,085.10 : x
  2. Step 2: Convert to fraction form
    1,435,052,768,672.80/1,979,439,693,616.60 = 920,403,391,085.10/x
  3. Step 3: Cross multiply
    1,435,052,768,672.80x = 1,979,439,693,616.60 × 920,403,391,085.10
  4. Step 4: Simplify right side
    1,435,052,768,672.80x = 1,821,883,006,453,170,007,179,264
  5. Step 5: Solve for x
    x = 1,821,883,006,453,170,007,179,264/1,435,052,768,672.80
  6. Step 6: Final answer
    x = 1,269,558,197,597.24

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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.