Home / 535,493,815.80-803,240,723.70-372,235,140.60

Finding the Fourth Proportional to 535,493,815.80, 803,240,723.70 and 372,235,140.60

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Solution

The fourth proportional to 535,493,815.80, 803,240,723.70 and 372,235,140.60 is: 558,352,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,493,815.80 : 803,240,723.70 = 372,235,140.60 : x
  2. Step 2: Convert to fraction form
    535,493,815.80/803,240,723.70 = 372,235,140.60/x
  3. Step 3: Cross multiply
    535,493,815.80x = 803,240,723.70 × 372,235,140.60
  4. Step 4: Simplify right side
    535,493,815.80x = 298,994,423,722,115,264
  5. Step 5: Solve for x
    x = 298,994,423,722,115,264/535,493,815.80
  6. Step 6: Final answer
    x = 558,352,710.90

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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.