Home / 734,864,531.39-1,014,111,277.84-400,339,802.78

Finding the Fourth Proportional to 734,864,531.39, 1,014,111,277.84 and 400,339,802.78

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Solution

The fourth proportional to 734,864,531.39, 1,014,111,277.84 and 400,339,802.78 is: 552,467,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,864,531.39 : 1,014,111,277.84 = 400,339,802.78 : x
  2. Step 2: Convert to fraction form
    734,864,531.39/1,014,111,277.84 = 400,339,802.78/x
  3. Step 3: Cross multiply
    734,864,531.39x = 1,014,111,277.84 × 400,339,802.78
  4. Step 4: Simplify right side
    734,864,531.39x = 405,989,108,961,367,936
  5. Step 5: Solve for x
    x = 405,989,108,961,367,936/734,864,531.39
  6. Step 6: Final answer
    x = 552,467,960.58

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1.5x scale

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.