Home / 776,613,974.52-1,164,925,316.64-259,042,994.16

Finding the Fourth Proportional to 776,613,974.52, 1,164,925,316.64 and 259,042,994.16

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Solution

The fourth proportional to 776,613,974.52, 1,164,925,316.64 and 259,042,994.16 is: 388,565,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,613,974.52 : 1,164,925,316.64 = 259,042,994.16 : x
  2. Step 2: Convert to fraction form
    776,613,974.52/1,164,925,316.64 = 259,042,994.16/x
  3. Step 3: Cross multiply
    776,613,974.52x = 1,164,925,316.64 × 259,042,994.16
  4. Step 4: Simplify right side
    776,613,974.52x = 301,765,741,995,211,712
  5. Step 5: Solve for x
    x = 301,765,741,995,211,712/776,613,974.52
  6. Step 6: Final answer
    x = 388,565,943.82

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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.