Home / 1,454,933,986.72-2,007,809,705.76-785,879,027.52

Finding the Fourth Proportional to 1,454,933,986.72, 2,007,809,705.76 and 785,879,027.52

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Solution

The fourth proportional to 1,454,933,986.72, 2,007,809,705.76 and 785,879,027.52 is: 1,084,513,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,933,986.72 : 2,007,809,705.76 = 785,879,027.52 : x
  2. Step 2: Convert to fraction form
    1,454,933,986.72/2,007,809,705.76 = 785,879,027.52/x
  3. Step 3: Cross multiply
    1,454,933,986.72x = 2,007,809,705.76 × 785,879,027.52
  4. Step 4: Simplify right side
    1,454,933,986.72x = 1,577,895,539,007,886,080
  5. Step 5: Solve for x
    x = 1,577,895,539,007,886,080/1,454,933,986.72
  6. Step 6: Final answer
    x = 1,084,513,492.30

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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.