Home / 607,338,643.90-911,007,965.85-444,901,114.30

Finding the Fourth Proportional to 607,338,643.90, 911,007,965.85 and 444,901,114.30

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Solution

The fourth proportional to 607,338,643.90, 911,007,965.85 and 444,901,114.30 is: 667,351,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,338,643.90 : 911,007,965.85 = 444,901,114.30 : x
  2. Step 2: Convert to fraction form
    607,338,643.90/911,007,965.85 = 444,901,114.30/x
  3. Step 3: Cross multiply
    607,338,643.90x = 911,007,965.85 × 444,901,114.30
  4. Step 4: Simplify right side
    607,338,643.90x = 405,308,459,142,841,344
  5. Step 5: Solve for x
    x = 405,308,459,142,841,344/607,338,643.90
  6. Step 6: Final answer
    x = 667,351,671.45

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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.