Home / 505,536,466.48-697,642,903.52-282,521,870.24

Finding the Fourth Proportional to 505,536,466.48, 697,642,903.52 and 282,521,870.24

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Solution

The fourth proportional to 505,536,466.48, 697,642,903.52 and 282,521,870.24 is: 389,881,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,536,466.48 : 697,642,903.52 = 282,521,870.24 : x
  2. Step 2: Convert to fraction form
    505,536,466.48/697,642,903.52 = 282,521,870.24/x
  3. Step 3: Cross multiply
    505,536,466.48x = 697,642,903.52 × 282,521,870.24
  4. Step 4: Simplify right side
    505,536,466.48x = 197,099,377,862,134,272
  5. Step 5: Solve for x
    x = 197,099,377,862,134,272/505,536,466.48
  6. Step 6: Final answer
    x = 389,881,622.65

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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.