Home / 359,547,949.53-496,034,988.19-208,814,945.04

Finding the Fourth Proportional to 359,547,949.53, 496,034,988.19 and 208,814,945.04

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Solution

The fourth proportional to 359,547,949.53, 496,034,988.19 and 208,814,945.04 is: 288,082,629.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,547,949.53 : 496,034,988.19 = 208,814,945.04 : x
  2. Step 2: Convert to fraction form
    359,547,949.53/496,034,988.19 = 208,814,945.04/x
  3. Step 3: Cross multiply
    359,547,949.53x = 496,034,988.19 × 208,814,945.04
  4. Step 4: Simplify right side
    359,547,949.53x = 103,579,518,796,811,888
  5. Step 5: Solve for x
    x = 103,579,518,796,811,888/359,547,949.53
  6. Step 6: Final answer
    x = 288,082,629.68

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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.