Home / 640,364,193,312.56-960,512,460,119.16-210,044,594,774.72

Finding the Fourth Proportional to 640,364,193,312.56, 960,512,460,119.16 and 210,044,594,774.72

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Solution

The fourth proportional to 640,364,193,312.56, 960,512,460,119.16 and 210,044,594,774.72 is: 315,055,795,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,364,193,312.56 : 960,512,460,119.16 = 210,044,594,774.72 : x
  2. Step 2: Convert to fraction form
    640,364,193,312.56/960,512,460,119.16 = 210,044,594,774.72/x
  3. Step 3: Cross multiply
    640,364,193,312.56x = 960,512,460,119.16 × 210,044,594,774.72
  4. Step 4: Simplify right side
    640,364,193,312.56x = 201,750,450,461,798,381,387,776
  5. Step 5: Solve for x
    x = 201,750,450,461,798,381,387,776/640,364,193,312.56
  6. Step 6: Final answer
    x = 315,055,795,699.88

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1.5x scale

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.