Home / 1,138,277,537.16-1,570,702,069.21-629,559,411.72

Finding the Fourth Proportional to 1,138,277,537.16, 1,570,702,069.21 and 629,559,411.72

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Solution

The fourth proportional to 1,138,277,537.16, 1,570,702,069.21 and 629,559,411.72 is: 868,725,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,277,537.16 : 1,570,702,069.21 = 629,559,411.72 : x
  2. Step 2: Convert to fraction form
    1,138,277,537.16/1,570,702,069.21 = 629,559,411.72/x
  3. Step 3: Cross multiply
    1,138,277,537.16x = 1,570,702,069.21 × 629,559,411.72
  4. Step 4: Simplify right side
    1,138,277,537.16x = 988,850,270,679,234,432
  5. Step 5: Solve for x
    x = 988,850,270,679,234,432/1,138,277,537.16
  6. Step 6: Final answer
    x = 868,725,102.97

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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.