Home / 535,493,814.80-803,240,722.20-372,235,139.60

Finding the Fourth Proportional to 535,493,814.80, 803,240,722.20 and 372,235,139.60

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Solution

The fourth proportional to 535,493,814.80, 803,240,722.20 and 372,235,139.60 is: 558,352,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,493,814.80 : 803,240,722.20 = 372,235,139.60 : x
  2. Step 2: Convert to fraction form
    535,493,814.80/803,240,722.20 = 372,235,139.60/x
  3. Step 3: Cross multiply
    535,493,814.80x = 803,240,722.20 × 372,235,139.60
  4. Step 4: Simplify right side
    535,493,814.80x = 298,994,422,360,521,856
  5. Step 5: Solve for x
    x = 298,994,422,360,521,856/535,493,814.80
  6. Step 6: Final answer
    x = 558,352,709.40

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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.