Home / 401,338,445.70-602,007,668.55-320,716,877.70

Finding the Fourth Proportional to 401,338,445.70, 602,007,668.55 and 320,716,877.70

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Solution

The fourth proportional to 401,338,445.70, 602,007,668.55 and 320,716,877.70 is: 481,075,316.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,338,445.70 : 602,007,668.55 = 320,716,877.70 : x
  2. Step 2: Convert to fraction form
    401,338,445.70/602,007,668.55 = 320,716,877.70/x
  3. Step 3: Cross multiply
    401,338,445.70x = 602,007,668.55 × 320,716,877.70
  4. Step 4: Simplify right side
    401,338,445.70x = 193,074,019,808,812,448
  5. Step 5: Solve for x
    x = 193,074,019,808,812,448/401,338,445.70
  6. Step 6: Final answer
    x = 481,075,316.55

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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.