Home / 640,364,193,266.32-960,512,460,050.08-210,044,594,728.52

Finding the Fourth Proportional to 640,364,193,266.32, 960,512,460,050.08 and 210,044,594,728.52

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Solution

The fourth proportional to 640,364,193,266.32, 960,512,460,050.08 and 210,044,594,728.52 is: 315,055,795,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,364,193,266.32 : 960,512,460,050.08 = 210,044,594,728.52 : x
  2. Step 2: Convert to fraction form
    640,364,193,266.32/960,512,460,050.08 = 210,044,594,728.52/x
  3. Step 3: Cross multiply
    640,364,193,266.32x = 960,512,460,050.08 × 210,044,594,728.52
  4. Step 4: Simplify right side
    640,364,193,266.32x = 201,750,450,402,912,802,701,312
  5. Step 5: Solve for x
    x = 201,750,450,402,912,802,701,312/640,364,193,266.32
  6. Step 6: Final answer
    x = 315,055,795,630.67

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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.