Home / 672,074,411.80-1,008,036,968.10-550,694,162.20

Finding the Fourth Proportional to 672,074,411.80, 1,008,036,968.10 and 550,694,162.20

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Solution

The fourth proportional to 672,074,411.80, 1,008,036,968.10 and 550,694,162.20 is: 825,980,075.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,074,411.80 : 1,008,036,968.10 = 550,694,162.20 : x
  2. Step 2: Convert to fraction form
    672,074,411.80/1,008,036,968.10 = 550,694,162.20/x
  3. Step 3: Cross multiply
    672,074,411.80x = 1,008,036,968.10 × 550,694,162.20
  4. Step 4: Simplify right side
    672,074,411.80x = 555,120,073,614,457,664
  5. Step 5: Solve for x
    x = 555,120,073,614,457,664/672,074,411.80
  6. Step 6: Final answer
    x = 825,980,075.82

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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.