Home / 695,488,563.20-1,043,232,844.80-210,751,385.60

Finding the Fourth Proportional to 695,488,563.20, 1,043,232,844.80 and 210,751,385.60

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Solution

The fourth proportional to 695,488,563.20, 1,043,232,844.80 and 210,751,385.60 is: 316,127,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,488,563.20 : 1,043,232,844.80 = 210,751,385.60 : x
  2. Step 2: Convert to fraction form
    695,488,563.20/1,043,232,844.80 = 210,751,385.60/x
  3. Step 3: Cross multiply
    695,488,563.20x = 1,043,232,844.80 × 210,751,385.60
  4. Step 4: Simplify right side
    695,488,563.20x = 219,862,767,545,029,728
  5. Step 5: Solve for x
    x = 219,862,767,545,029,728/695,488,563.20
  6. Step 6: Final answer
    x = 316,127,078.40

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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.