Home / 450,396,708.75-675,696,934.71-243,130,670.55

Finding the Fourth Proportional to 450,396,708.75, 675,696,934.71 and 243,130,670.55

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Solution

The fourth proportional to 450,396,708.75, 675,696,934.71 and 243,130,670.55 is: 364,750,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,396,708.75 : 675,696,934.71 = 243,130,670.55 : x
  2. Step 2: Convert to fraction form
    450,396,708.75/675,696,934.71 = 243,130,670.55/x
  3. Step 3: Cross multiply
    450,396,708.75x = 675,696,934.71 × 243,130,670.55
  4. Step 4: Simplify right side
    450,396,708.75x = 164,282,648,824,621,888
  5. Step 5: Solve for x
    x = 164,282,648,824,621,888/450,396,708.75
  6. Step 6: Final answer
    x = 364,750,997.58

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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.