Home / 535,610,890.40-803,416,335.60-147,493,623.20

Finding the Fourth Proportional to 535,610,890.40, 803,416,335.60 and 147,493,623.20

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Solution

The fourth proportional to 535,610,890.40, 803,416,335.60 and 147,493,623.20 is: 221,240,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,610,890.40 : 803,416,335.60 = 147,493,623.20 : x
  2. Step 2: Convert to fraction form
    535,610,890.40/803,416,335.60 = 147,493,623.20/x
  3. Step 3: Cross multiply
    535,610,890.40x = 803,416,335.60 × 147,493,623.20
  4. Step 4: Simplify right side
    535,610,890.40x = 118,498,786,275,711,136
  5. Step 5: Solve for x
    x = 118,498,786,275,711,136/535,610,890.40
  6. Step 6: Final answer
    x = 221,240,434.80

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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.