Home / 299,556,681,711.29-449,489,506,598.57-140,395,950,719.51

Finding the Fourth Proportional to 299,556,681,711.29, 449,489,506,598.57 and 140,395,950,719.51

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Solution

The fourth proportional to 299,556,681,711.29, 449,489,506,598.57 and 140,395,950,719.51 is: 210,666,329,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,556,681,711.29 : 449,489,506,598.57 = 140,395,950,719.51 : x
  2. Step 2: Convert to fraction form
    299,556,681,711.29/449,489,506,598.57 = 140,395,950,719.51/x
  3. Step 3: Cross multiply
    299,556,681,711.29x = 449,489,506,598.57 × 140,395,950,719.51
  4. Step 4: Simplify right side
    299,556,681,711.29x = 63,106,506,617,349,705,039,872
  5. Step 5: Solve for x
    x = 63,106,506,617,349,705,039,872/299,556,681,711.29
  6. Step 6: Final answer
    x = 210,666,329,513.46

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1.5x scale

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.