Home / 534,289,328.40-801,433,992.60-480,720,075.60

Finding the Fourth Proportional to 534,289,328.40, 801,433,992.60 and 480,720,075.60

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Solution

The fourth proportional to 534,289,328.40, 801,433,992.60 and 480,720,075.60 is: 721,080,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,289,328.40 : 801,433,992.60 = 480,720,075.60 : x
  2. Step 2: Convert to fraction form
    534,289,328.40/801,433,992.60 = 480,720,075.60/x
  3. Step 3: Cross multiply
    534,289,328.40x = 801,433,992.60 × 480,720,075.60
  4. Step 4: Simplify right side
    534,289,328.40x = 385,265,409,511,081,856
  5. Step 5: Solve for x
    x = 385,265,409,511,081,856/534,289,328.40
  6. Step 6: Final answer
    x = 721,080,113.40

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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.