Home / 18,721,728,768-28,082,199,708.48-4,556,773,547.52

Finding the Fourth Proportional to 18,721,728,768, 28,082,199,708.48 and 4,556,773,547.52

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Solution

The fourth proportional to 18,721,728,768, 28,082,199,708.48 and 4,556,773,547.52 is: 6,835,064,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721,728,768 : 28,082,199,708.48 = 4,556,773,547.52 : x
  2. Step 2: Convert to fraction form
    18,721,728,768/28,082,199,708.48 = 4,556,773,547.52/x
  3. Step 3: Cross multiply
    18,721,728,768x = 28,082,199,708.48 × 4,556,773,547.52
  4. Step 4: Simplify right side
    18,721,728,768x = 127,964,224,787,775,537,152
  5. Step 5: Solve for x
    x = 127,964,224,787,775,537,152/18,721,728,768
  6. Step 6: Final answer
    x = 6,835,064,559.13

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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.