Home / 1,115,757,291.48-1,673,878,075.04-339,382,774.02

Finding the Fourth Proportional to 1,115,757,291.48, 1,673,878,075.04 and 339,382,774.02

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Solution

The fourth proportional to 1,115,757,291.48, 1,673,878,075.04 and 339,382,774.02 is: 509,147,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,757,291.48 : 1,673,878,075.04 = 339,382,774.02 : x
  2. Step 2: Convert to fraction form
    1,115,757,291.48/1,673,878,075.04 = 339,382,774.02/x
  3. Step 3: Cross multiply
    1,115,757,291.48x = 1,673,878,075.04 × 339,382,774.02
  4. Step 4: Simplify right side
    1,115,757,291.48x = 568,085,384,478,332,864
  5. Step 5: Solve for x
    x = 568,085,384,478,332,864/1,115,757,291.48
  6. Step 6: Final answer
    x = 509,147,812.72

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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.