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Finding the Fourth Proportional to 624,231,866.90, 936,347,800.35 and 585,968,114.90

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Solution

The fourth proportional to 624,231,866.90, 936,347,800.35 and 585,968,114.90 is: 878,952,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,231,866.90 : 936,347,800.35 = 585,968,114.90 : x
  2. Step 2: Convert to fraction form
    624,231,866.90/936,347,800.35 = 585,968,114.90/x
  3. Step 3: Cross multiply
    624,231,866.90x = 936,347,800.35 × 585,968,114.90
  4. Step 4: Simplify right side
    624,231,866.90x = 548,669,955,461,851,072
  5. Step 5: Solve for x
    x = 548,669,955,461,851,072/624,231,866.90
  6. Step 6: Final answer
    x = 878,952,172.35

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Half scale
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Double scale
Find fourth proportional to 624,231,867.90, 936,347,801.85 and 585,968,115.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.