Home / 607,362,449.84-838,160,989.10-328,904,453.60

Finding the Fourth Proportional to 607,362,449.84, 838,160,989.10 and 328,904,453.60

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Solution

The fourth proportional to 607,362,449.84, 838,160,989.10 and 328,904,453.60 is: 453,888,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,362,449.84 : 838,160,989.10 = 328,904,453.60 : x
  2. Step 2: Convert to fraction form
    607,362,449.84/838,160,989.10 = 328,904,453.60/x
  3. Step 3: Cross multiply
    607,362,449.84x = 838,160,989.10 × 328,904,453.60
  4. Step 4: Simplify right side
    607,362,449.84x = 275,674,882,142,935,776
  5. Step 5: Solve for x
    x = 275,674,882,142,935,776/607,362,449.84
  6. Step 6: Final answer
    x = 453,888,583.69

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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.