Home / 559,104,005.10-838,656,007.65-395,845,329.90

Finding the Fourth Proportional to 559,104,005.10, 838,656,007.65 and 395,845,329.90

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Solution

The fourth proportional to 559,104,005.10, 838,656,007.65 and 395,845,329.90 is: 593,767,994.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,104,005.10 : 838,656,007.65 = 395,845,329.90 : x
  2. Step 2: Convert to fraction form
    559,104,005.10/838,656,007.65 = 395,845,329.90/x
  3. Step 3: Cross multiply
    559,104,005.10x = 838,656,007.65 × 395,845,329.90
  4. Step 4: Simplify right side
    559,104,005.10x = 331,978,064,020,831,168
  5. Step 5: Solve for x
    x = 331,978,064,020,831,168/559,104,005.10
  6. Step 6: Final answer
    x = 593,767,994.85

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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.