Home / 482,147,159.40-665,504,682.66-314,908,987.32

Finding the Fourth Proportional to 482,147,159.40, 665,504,682.66 and 314,908,987.32

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Solution

The fourth proportional to 482,147,159.40, 665,504,682.66 and 314,908,987.32 is: 434,666,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,147,159.40 : 665,504,682.66 = 314,908,987.32 : x
  2. Step 2: Convert to fraction form
    482,147,159.40/665,504,682.66 = 314,908,987.32/x
  3. Step 3: Cross multiply
    482,147,159.40x = 665,504,682.66 × 314,908,987.32
  4. Step 4: Simplify right side
    482,147,159.40x = 209,573,405,673,178,560
  5. Step 5: Solve for x
    x = 209,573,405,673,178,560/482,147,159.40
  6. Step 6: Final answer
    x = 434,666,888.70

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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.