Home / 401,338,492.20-602,007,738.30-320,716,924.20

Finding the Fourth Proportional to 401,338,492.20, 602,007,738.30 and 320,716,924.20

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Solution

The fourth proportional to 401,338,492.20, 602,007,738.30 and 320,716,924.20 is: 481,075,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,338,492.20 : 602,007,738.30 = 320,716,924.20 : x
  2. Step 2: Convert to fraction form
    401,338,492.20/602,007,738.30 = 320,716,924.20/x
  3. Step 3: Cross multiply
    401,338,492.20x = 602,007,738.30 × 320,716,924.20
  4. Step 4: Simplify right side
    401,338,492.20x = 193,074,070,172,174,528
  5. Step 5: Solve for x
    x = 193,074,070,172,174,528/401,338,492.20
  6. Step 6: Final answer
    x = 481,075,386.30

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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.