Home / 455,920,162.20-629,170,362-247,076,303.76

Finding the Fourth Proportional to 455,920,162.20, 629,170,362 and 247,076,303.76

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Solution

The fourth proportional to 455,920,162.20, 629,170,362 and 247,076,303.76 is: 340,965,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,920,162.20 : 629,170,362 = 247,076,303.76 : x
  2. Step 2: Convert to fraction form
    455,920,162.20/629,170,362 = 247,076,303.76/x
  3. Step 3: Cross multiply
    455,920,162.20x = 629,170,362 × 247,076,303.76
  4. Step 4: Simplify right side
    455,920,162.20x = 155,453,087,478,301,152
  5. Step 5: Solve for x
    x = 155,453,087,478,301,152/455,920,162.20
  6. Step 6: Final answer
    x = 340,965,590.84

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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.