Home / 672,810,825.80-1,009,216,238.70-181,523,145.80

Finding the Fourth Proportional to 672,810,825.80, 1,009,216,238.70 and 181,523,145.80

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Solution

The fourth proportional to 672,810,825.80, 1,009,216,238.70 and 181,523,145.80 is: 272,284,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,810,825.80 : 1,009,216,238.70 = 181,523,145.80 : x
  2. Step 2: Convert to fraction form
    672,810,825.80/1,009,216,238.70 = 181,523,145.80/x
  3. Step 3: Cross multiply
    672,810,825.80x = 1,009,216,238.70 × 181,523,145.80
  4. Step 4: Simplify right side
    672,810,825.80x = 183,196,106,441,267,712
  5. Step 5: Solve for x
    x = 183,196,106,441,267,712/672,810,825.80
  6. Step 6: Final answer
    x = 272,284,718.70

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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.