Home / 505,521,000.65-758,281,500.98-246,602,945.45

Finding the Fourth Proportional to 505,521,000.65, 758,281,500.98 and 246,602,945.45

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Solution

The fourth proportional to 505,521,000.65, 758,281,500.98 and 246,602,945.45 is: 369,904,418.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,521,000.65 : 758,281,500.98 = 246,602,945.45 : x
  2. Step 2: Convert to fraction form
    505,521,000.65/758,281,500.98 = 246,602,945.45/x
  3. Step 3: Cross multiply
    505,521,000.65x = 758,281,500.98 × 246,602,945.45
  4. Step 4: Simplify right side
    505,521,000.65x = 186,994,451,620,682,048
  5. Step 5: Solve for x
    x = 186,994,451,620,682,048/505,521,000.65
  6. Step 6: Final answer
    x = 369,904,418.18

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1.5x scale

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.