Home / 783,801,886.54-1,081,626,696.12-426,554,477.50

Finding the Fourth Proportional to 783,801,886.54, 1,081,626,696.12 and 426,554,477.50

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Solution

The fourth proportional to 783,801,886.54, 1,081,626,696.12 and 426,554,477.50 is: 588,634,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,801,886.54 : 1,081,626,696.12 = 426,554,477.50 : x
  2. Step 2: Convert to fraction form
    783,801,886.54/1,081,626,696.12 = 426,554,477.50/x
  3. Step 3: Cross multiply
    783,801,886.54x = 1,081,626,696.12 × 426,554,477.50
  4. Step 4: Simplify right side
    783,801,886.54x = 461,372,710,213,517,824
  5. Step 5: Solve for x
    x = 461,372,710,213,517,824/783,801,886.54
  6. Step 6: Final answer
    x = 588,634,345.15

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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.