Home / 2,856,590,740.80-4,284,886,111.20-786,631,982.40

Finding the Fourth Proportional to 2,856,590,740.80, 4,284,886,111.20 and 786,631,982.40

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Solution

The fourth proportional to 2,856,590,740.80, 4,284,886,111.20 and 786,631,982.40 is: 1,179,947,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,590,740.80 : 4,284,886,111.20 = 786,631,982.40 : x
  2. Step 2: Convert to fraction form
    2,856,590,740.80/4,284,886,111.20 = 786,631,982.40/x
  3. Step 3: Cross multiply
    2,856,590,740.80x = 4,284,886,111.20 × 786,631,982.40
  4. Step 4: Simplify right side
    2,856,590,740.80x = 3,370,628,456,011,482,624
  5. Step 5: Solve for x
    x = 3,370,628,456,011,482,624/2,856,590,740.80
  6. Step 6: Final answer
    x = 1,179,947,973.60

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Double scale
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1.5x scale

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.