Home / 535,610,896.40-803,416,344.60-147,493,629.20

Finding the Fourth Proportional to 535,610,896.40, 803,416,344.60 and 147,493,629.20

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Solution

The fourth proportional to 535,610,896.40, 803,416,344.60 and 147,493,629.20 is: 221,240,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,610,896.40 : 803,416,344.60 = 147,493,629.20 : x
  2. Step 2: Convert to fraction form
    535,610,896.40/803,416,344.60 = 147,493,629.20/x
  3. Step 3: Cross multiply
    535,610,896.40x = 803,416,344.60 × 147,493,629.20
  4. Step 4: Simplify right side
    535,610,896.40x = 118,498,792,423,651,824
  5. Step 5: Solve for x
    x = 118,498,792,423,651,824/535,610,896.40
  6. Step 6: Final answer
    x = 221,240,443.80

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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.