Home / 403,402,410.20-605,103,615.30-346,006,782.20

Finding the Fourth Proportional to 403,402,410.20, 605,103,615.30 and 346,006,782.20

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Solution

The fourth proportional to 403,402,410.20, 605,103,615.30 and 346,006,782.20 is: 519,010,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,402,410.20 : 605,103,615.30 = 346,006,782.20 : x
  2. Step 2: Convert to fraction form
    403,402,410.20/605,103,615.30 = 346,006,782.20/x
  3. Step 3: Cross multiply
    403,402,410.20x = 605,103,615.30 × 346,006,782.20
  4. Step 4: Simplify right side
    403,402,410.20x = 209,369,954,827,539,648
  5. Step 5: Solve for x
    x = 209,369,954,827,539,648/403,402,410.20
  6. Step 6: Final answer
    x = 519,010,173.30

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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.