Home / 454,174,837.80-681,581,121.30-195,575,647.20

Finding the Fourth Proportional to 454,174,837.80, 681,581,121.30 and 195,575,647.20

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Solution

The fourth proportional to 454,174,837.80, 681,581,121.30 and 195,575,647.20 is: 293,500,779.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,174,837.80 : 681,581,121.30 = 195,575,647.20 : x
  2. Step 2: Convert to fraction form
    454,174,837.80/681,581,121.30 = 195,575,647.20/x
  3. Step 3: Cross multiply
    454,174,837.80x = 681,581,121.30 × 195,575,647.20
  4. Step 4: Simplify right side
    454,174,837.80x = 133,300,668,917,549,184
  5. Step 5: Solve for x
    x = 133,300,668,917,549,184/454,174,837.80
  6. Step 6: Final answer
    x = 293,500,779.49

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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.