Home / 704,391,759.06-971,842,640-406,925,464.48

Finding the Fourth Proportional to 704,391,759.06, 971,842,640 and 406,925,464.48

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Solution

The fourth proportional to 704,391,759.06, 971,842,640 and 406,925,464.48 is: 561,431,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,391,759.06 : 971,842,640 = 406,925,464.48 : x
  2. Step 2: Convert to fraction form
    704,391,759.06/971,842,640 = 406,925,464.48/x
  3. Step 3: Cross multiply
    704,391,759.06x = 971,842,640 × 406,925,464.48
  4. Step 4: Simplify right side
    704,391,759.06x = 395,467,517,683,469,440
  5. Step 5: Solve for x
    x = 395,467,517,683,469,440/704,391,759.06
  6. Step 6: Final answer
    x = 561,431,210.11

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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.