Home / 1,213,264,237,908.20-1,673,498,269,871.10-780,264,374,089.15

Finding the Fourth Proportional to 1,213,264,237,908.20, 1,673,498,269,871.10 and 780,264,374,089.15

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Solution

The fourth proportional to 1,213,264,237,908.20, 1,673,498,269,871.10 and 780,264,374,089.15 is: 1,076,246,244,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,264,237,908.20 : 1,673,498,269,871.10 = 780,264,374,089.15 : x
  2. Step 2: Convert to fraction form
    1,213,264,237,908.20/1,673,498,269,871.10 = 780,264,374,089.15/x
  3. Step 3: Cross multiply
    1,213,264,237,908.20x = 1,673,498,269,871.10 × 780,264,374,089.15
  4. Step 4: Simplify right side
    1,213,264,237,908.20x = 1,305,771,080,080,249,352,880,128
  5. Step 5: Solve for x
    x = 1,305,771,080,080,249,352,880,128/1,213,264,237,908.20
  6. Step 6: Final answer
    x = 1,076,246,244,867.10

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Double scale
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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.