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Finding the Fourth Proportional to 1,256,952,907.37, 1,734,648,773.88 and 700,035,865.13

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Solution

The fourth proportional to 1,256,952,907.37, 1,734,648,773.88 and 700,035,865.13 is: 966,079,435.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,952,907.37 : 1,734,648,773.88 = 700,035,865.13 : x
  2. Step 2: Convert to fraction form
    1,256,952,907.37/1,734,648,773.88 = 700,035,865.13/x
  3. Step 3: Cross multiply
    1,256,952,907.37x = 1,734,648,773.88 × 700,035,865.13
  4. Step 4: Simplify right side
    1,256,952,907.37x = 1,214,316,355,111,106,304
  5. Step 5: Solve for x
    x = 1,214,316,355,111,106,304/1,256,952,907.37
  6. Step 6: Final answer
    x = 966,079,435.43

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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.