Home / 869,916,745.20-1,304,875,117.80-295,488,073.20

Finding the Fourth Proportional to 869,916,745.20, 1,304,875,117.80 and 295,488,073.20

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Solution

The fourth proportional to 869,916,745.20, 1,304,875,117.80 and 295,488,073.20 is: 443,232,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,916,745.20 : 1,304,875,117.80 = 295,488,073.20 : x
  2. Step 2: Convert to fraction form
    869,916,745.20/1,304,875,117.80 = 295,488,073.20/x
  3. Step 3: Cross multiply
    869,916,745.20x = 1,304,875,117.80 × 295,488,073.20
  4. Step 4: Simplify right side
    869,916,745.20x = 385,575,034,325,345,024
  5. Step 5: Solve for x
    x = 385,575,034,325,345,024/869,916,745.20
  6. Step 6: Final answer
    x = 443,232,109.80

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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.