Home / 1,574,642,728.70-2,361,964,093.05-483,984,079.10

Finding the Fourth Proportional to 1,574,642,728.70, 2,361,964,093.05 and 483,984,079.10

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Solution

The fourth proportional to 1,574,642,728.70, 2,361,964,093.05 and 483,984,079.10 is: 725,976,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,642,728.70 : 2,361,964,093.05 = 483,984,079.10 : x
  2. Step 2: Convert to fraction form
    1,574,642,728.70/2,361,964,093.05 = 483,984,079.10/x
  3. Step 3: Cross multiply
    1,574,642,728.70x = 2,361,964,093.05 × 483,984,079.10
  4. Step 4: Simplify right side
    1,574,642,728.70x = 1,143,153,016,442,071,168
  5. Step 5: Solve for x
    x = 1,143,153,016,442,071,168/1,574,642,728.70
  6. Step 6: Final answer
    x = 725,976,118.65

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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.