Home / 1,157,238,960.84-1,596,988,552.32-628,603,366.68

Finding the Fourth Proportional to 1,157,238,960.84, 1,596,988,552.32 and 628,603,366.68

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Solution

The fourth proportional to 1,157,238,960.84, 1,596,988,552.32 and 628,603,366.68 is: 867,471,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,238,960.84 : 1,596,988,552.32 = 628,603,366.68 : x
  2. Step 2: Convert to fraction form
    1,157,238,960.84/1,596,988,552.32 = 628,603,366.68/x
  3. Step 3: Cross multiply
    1,157,238,960.84x = 1,596,988,552.32 × 628,603,366.68
  4. Step 4: Simplify right side
    1,157,238,960.84x = 1,003,872,380,537,771,136
  5. Step 5: Solve for x
    x = 1,003,872,380,537,771,136/1,157,238,960.84
  6. Step 6: Final answer
    x = 867,471,986.78

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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.