Home / 352,512,047.40-528,768,071.10-328,624,175.40

Finding the Fourth Proportional to 352,512,047.40, 528,768,071.10 and 328,624,175.40

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Solution

The fourth proportional to 352,512,047.40, 528,768,071.10 and 328,624,175.40 is: 492,936,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512,047.40 : 528,768,071.10 = 328,624,175.40 : x
  2. Step 2: Convert to fraction form
    352,512,047.40/528,768,071.10 = 328,624,175.40/x
  3. Step 3: Cross multiply
    352,512,047.40x = 528,768,071.10 × 328,624,175.40
  4. Step 4: Simplify right side
    352,512,047.40x = 173,765,971,343,086,080
  5. Step 5: Solve for x
    x = 173,765,971,343,086,080/352,512,047.40
  6. Step 6: Final answer
    x = 492,936,263.10

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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.