Home / 479,308,243,561.38-661,437,201,386.52-259,575,154,919.28

Finding the Fourth Proportional to 479,308,243,561.38, 661,437,201,386.52 and 259,575,154,919.28

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Solution

The fourth proportional to 479,308,243,561.38, 661,437,201,386.52 and 259,575,154,919.28 is: 358,209,286,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,308,243,561.38 : 661,437,201,386.52 = 259,575,154,919.28 : x
  2. Step 2: Convert to fraction form
    479,308,243,561.38/661,437,201,386.52 = 259,575,154,919.28/x
  3. Step 3: Cross multiply
    479,308,243,561.38x = 661,437,201,386.52 × 259,575,154,919.28
  4. Step 4: Simplify right side
    479,308,243,561.38x = 171,692,664,019,280,946,266,112
  5. Step 5: Solve for x
    x = 171,692,664,019,280,946,266,112/479,308,243,561.38
  6. Step 6: Final answer
    x = 358,209,286,666.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.