Home / 483,420,189,210.49-667,121,935,130.93-263,693,669,698.38

Finding the Fourth Proportional to 483,420,189,210.49, 667,121,935,130.93 and 263,693,669,698.38

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Solution

The fourth proportional to 483,420,189,210.49, 667,121,935,130.93 and 263,693,669,698.38 is: 363,898,395,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,420,189,210.49 : 667,121,935,130.93 = 263,693,669,698.38 : x
  2. Step 2: Convert to fraction form
    483,420,189,210.49/667,121,935,130.93 = 263,693,669,698.38/x
  3. Step 3: Cross multiply
    483,420,189,210.49x = 667,121,935,130.93 × 263,693,669,698.38
  4. Step 4: Simplify right side
    483,420,189,210.49x = 175,915,831,210,959,563,653,120
  5. Step 5: Solve for x
    x = 175,915,831,210,959,563,653,120/483,420,189,210.49
  6. Step 6: Final answer
    x = 363,898,395,510.25

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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.