Home / 449,345,545.64-620,097,693.12-251,107,040.64

Finding the Fourth Proportional to 449,345,545.64, 620,097,693.12 and 251,107,040.64

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Solution

The fourth proportional to 449,345,545.64, 620,097,693.12 and 251,107,040.64 is: 346,528,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,345,545.64 : 620,097,693.12 = 251,107,040.64 : x
  2. Step 2: Convert to fraction form
    449,345,545.64/620,097,693.12 = 251,107,040.64/x
  3. Step 3: Cross multiply
    449,345,545.64x = 620,097,693.12 × 251,107,040.64
  4. Step 4: Simplify right side
    449,345,545.64x = 155,710,896,627,054,080
  5. Step 5: Solve for x
    x = 155,710,896,627,054,080/449,345,545.64
  6. Step 6: Final answer
    x = 346,528,185.58

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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.