Home / 505,521,000.90-758,281,501.35-246,602,945.70

Finding the Fourth Proportional to 505,521,000.90, 758,281,501.35 and 246,602,945.70

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Solution

The fourth proportional to 505,521,000.90, 758,281,501.35 and 246,602,945.70 is: 369,904,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,521,000.90 : 758,281,501.35 = 246,602,945.70 : x
  2. Step 2: Convert to fraction form
    505,521,000.90/758,281,501.35 = 246,602,945.70/x
  3. Step 3: Cross multiply
    505,521,000.90x = 758,281,501.35 × 246,602,945.70
  4. Step 4: Simplify right side
    505,521,000.90x = 186,994,451,902,728,512
  5. Step 5: Solve for x
    x = 186,994,451,902,728,512/505,521,000.90
  6. Step 6: Final answer
    x = 369,904,418.55

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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.