Home / 807,218,783.40-1,210,828,175.10-766,907,999.40

Finding the Fourth Proportional to 807,218,783.40, 1,210,828,175.10 and 766,907,999.40

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Solution

The fourth proportional to 807,218,783.40, 1,210,828,175.10 and 766,907,999.40 is: 1,150,361,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,218,783.40 : 1,210,828,175.10 = 766,907,999.40 : x
  2. Step 2: Convert to fraction form
    807,218,783.40/1,210,828,175.10 = 766,907,999.40/x
  3. Step 3: Cross multiply
    807,218,783.40x = 1,210,828,175.10 × 766,907,999.40
  4. Step 4: Simplify right side
    807,218,783.40x = 928,593,813,383,093,760
  5. Step 5: Solve for x
    x = 928,593,813,383,093,760/807,218,783.40
  6. Step 6: Final answer
    x = 1,150,361,999.10

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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.