Home / 788,893,616.56-1,088,705,236.80-436,463,867.44

Finding the Fourth Proportional to 788,893,616.56, 1,088,705,236.80 and 436,463,867.44

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Solution

The fourth proportional to 788,893,616.56, 1,088,705,236.80 and 436,463,867.44 is: 602,337,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,893,616.56 : 1,088,705,236.80 = 436,463,867.44 : x
  2. Step 2: Convert to fraction form
    788,893,616.56/1,088,705,236.80 = 436,463,867.44/x
  3. Step 3: Cross multiply
    788,893,616.56x = 1,088,705,236.80 × 436,463,867.44
  4. Step 4: Simplify right side
    788,893,616.56x = 475,180,498,155,908,992
  5. Step 5: Solve for x
    x = 475,180,498,155,908,992/788,893,616.56
  6. Step 6: Final answer
    x = 602,337,866.83

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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.