Home / 3,688,511,798.40-5,090,131,063.08-1,994,968,334.40

Finding the Fourth Proportional to 3,688,511,798.40, 5,090,131,063.08 and 1,994,968,334.40

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Solution

The fourth proportional to 3,688,511,798.40, 5,090,131,063.08 and 1,994,968,334.40 is: 2,753,048,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,511,798.40 : 5,090,131,063.08 = 1,994,968,334.40 : x
  2. Step 2: Convert to fraction form
    3,688,511,798.40/5,090,131,063.08 = 1,994,968,334.40/x
  3. Step 3: Cross multiply
    3,688,511,798.40x = 5,090,131,063.08 × 1,994,968,334.40
  4. Step 4: Simplify right side
    3,688,511,798.40x = 10,154,650,288,790,409,216
  5. Step 5: Solve for x
    x = 10,154,650,288,790,409,216/3,688,511,798.40
  6. Step 6: Final answer
    x = 2,753,048,070.28

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1.5x scale

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.