Home / 535,493,799.80-803,240,699.70-372,235,124.60

Finding the Fourth Proportional to 535,493,799.80, 803,240,699.70 and 372,235,124.60

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Solution

The fourth proportional to 535,493,799.80, 803,240,699.70 and 372,235,124.60 is: 558,352,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,493,799.80 : 803,240,699.70 = 372,235,124.60 : x
  2. Step 2: Convert to fraction form
    535,493,799.80/803,240,699.70 = 372,235,124.60/x
  3. Step 3: Cross multiply
    535,493,799.80x = 803,240,699.70 × 372,235,124.60
  4. Step 4: Simplify right side
    535,493,799.80x = 298,994,401,936,620,736
  5. Step 5: Solve for x
    x = 298,994,401,936,620,736/535,493,799.80
  6. Step 6: Final answer
    x = 558,352,686.90

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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.