Home / 640,364,193,535.65-960,512,460,454.05-210,044,594,997.81

Finding the Fourth Proportional to 640,364,193,535.65, 960,512,460,454.05 and 210,044,594,997.81

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Solution

The fourth proportional to 640,364,193,535.65, 960,512,460,454.05 and 210,044,594,997.81 is: 315,055,796,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,364,193,535.65 : 960,512,460,454.05 = 210,044,594,997.81 : x
  2. Step 2: Convert to fraction form
    640,364,193,535.65/960,512,460,454.05 = 210,044,594,997.81/x
  3. Step 3: Cross multiply
    640,364,193,535.65x = 960,512,460,454.05 × 210,044,594,997.81
  4. Step 4: Simplify right side
    640,364,193,535.65x = 201,750,450,746,420,931,592,192
  5. Step 5: Solve for x
    x = 201,750,450,746,420,931,592,192/640,364,193,535.65
  6. Step 6: Final answer
    x = 315,055,796,034.59

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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.