Home / 535,610,912.40-803,416,368.60-147,493,645.20

Finding the Fourth Proportional to 535,610,912.40, 803,416,368.60 and 147,493,645.20

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Solution

The fourth proportional to 535,610,912.40, 803,416,368.60 and 147,493,645.20 is: 221,240,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,610,912.40 : 803,416,368.60 = 147,493,645.20 : x
  2. Step 2: Convert to fraction form
    535,610,912.40/803,416,368.60 = 147,493,645.20/x
  3. Step 3: Cross multiply
    535,610,912.40x = 803,416,368.60 × 147,493,645.20
  4. Step 4: Simplify right side
    535,610,912.40x = 118,498,808,818,160,816
  5. Step 5: Solve for x
    x = 118,498,808,818,160,816/535,610,912.40
  6. Step 6: Final answer
    x = 221,240,467.80

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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.