Home / 400,312,449.90-599,292,943.65-298,527,720.30

Finding the Fourth Proportional to 400,312,449.90, 599,292,943.65 and 298,527,720.30

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Solution

The fourth proportional to 400,312,449.90, 599,292,943.65 and 298,527,720.30 is: 446,914,794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,312,449.90 : 599,292,943.65 = 298,527,720.30 : x
  2. Step 2: Convert to fraction form
    400,312,449.90/599,292,943.65 = 298,527,720.30/x
  3. Step 3: Cross multiply
    400,312,449.90x = 599,292,943.65 × 298,527,720.30
  4. Step 4: Simplify right side
    400,312,449.90x = 178,905,556,259,710,848
  5. Step 5: Solve for x
    x = 178,905,556,259,710,848/400,312,449.90
  6. Step 6: Final answer
    x = 446,914,794.44

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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.