Home / 773,669,464.10-1,160,504,196.15-386,248,975.10

Finding the Fourth Proportional to 773,669,464.10, 1,160,504,196.15 and 386,248,975.10

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Solution

The fourth proportional to 773,669,464.10, 1,160,504,196.15 and 386,248,975.10 is: 579,373,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,669,464.10 : 1,160,504,196.15 = 386,248,975.10 : x
  2. Step 2: Convert to fraction form
    773,669,464.10/1,160,504,196.15 = 386,248,975.10/x
  3. Step 3: Cross multiply
    773,669,464.10x = 1,160,504,196.15 × 386,248,975.10
  4. Step 4: Simplify right side
    773,669,464.10x = 448,243,556,362,186,944
  5. Step 5: Solve for x
    x = 448,243,556,362,186,944/773,669,464.10
  6. Step 6: Final answer
    x = 579,373,462.65

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Double scale
Find fourth proportional to 773,669,465.10, 1,160,504,197.65 and 386,248,976.10
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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.