Home / 864,047,061.72-1,192,388,084.64-467,570,009.52

Finding the Fourth Proportional to 864,047,061.72, 1,192,388,084.64 and 467,570,009.52

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Solution

The fourth proportional to 864,047,061.72, 1,192,388,084.64 and 467,570,009.52 is: 645,248,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,047,061.72 : 1,192,388,084.64 = 467,570,009.52 : x
  2. Step 2: Convert to fraction form
    864,047,061.72/1,192,388,084.64 = 467,570,009.52/x
  3. Step 3: Cross multiply
    864,047,061.72x = 1,192,388,084.64 × 467,570,009.52
  4. Step 4: Simplify right side
    864,047,061.72x = 557,524,908,086,659,392
  5. Step 5: Solve for x
    x = 557,524,908,086,659,392/864,047,061.72
  6. Step 6: Final answer
    x = 645,248,312.03

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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.