Home / 883,651,287.44-1,219,440,120.36-492,502,313.36

Finding the Fourth Proportional to 883,651,287.44, 1,219,440,120.36 and 492,502,313.36

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Solution

The fourth proportional to 883,651,287.44, 1,219,440,120.36 and 492,502,313.36 is: 679,653,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,651,287.44 : 1,219,440,120.36 = 492,502,313.36 : x
  2. Step 2: Convert to fraction form
    883,651,287.44/1,219,440,120.36 = 492,502,313.36/x
  3. Step 3: Cross multiply
    883,651,287.44x = 1,219,440,120.36 × 492,502,313.36
  4. Step 4: Simplify right side
    883,651,287.44x = 600,577,080,281,296,768
  5. Step 5: Solve for x
    x = 600,577,080,281,296,768/883,651,287.44
  6. Step 6: Final answer
    x = 679,653,941.34

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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.