Home / 299,556,681,711.80-449,489,506,599.33-140,395,950,720.01

Finding the Fourth Proportional to 299,556,681,711.80, 449,489,506,599.33 and 140,395,950,720.01

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Solution

The fourth proportional to 299,556,681,711.80, 449,489,506,599.33 and 140,395,950,720.01 is: 210,666,329,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,556,681,711.80 : 449,489,506,599.33 = 140,395,950,720.01 : x
  2. Step 2: Convert to fraction form
    299,556,681,711.80/449,489,506,599.33 = 140,395,950,720.01/x
  3. Step 3: Cross multiply
    299,556,681,711.80x = 449,489,506,599.33 × 140,395,950,720.01
  4. Step 4: Simplify right side
    299,556,681,711.80x = 63,106,506,617,681,147,330,560
  5. Step 5: Solve for x
    x = 63,106,506,617,681,147,330,560/299,556,681,711.80
  6. Step 6: Final answer
    x = 210,666,329,514.21

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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.