Home / 761,264,530,435.55-1,142,366,479,638.20-352,774,763,859.50

Finding the Fourth Proportional to 761,264,530,435.55, 1,142,366,479,638.20 and 352,774,763,859.50

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Solution

The fourth proportional to 761,264,530,435.55, 1,142,366,479,638.20 and 352,774,763,859.50 is: 529,379,800,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,264,530,435.55 : 1,142,366,479,638.20 = 352,774,763,859.50 : x
  2. Step 2: Convert to fraction form
    761,264,530,435.55/1,142,366,479,638.20 = 352,774,763,859.50/x
  3. Step 3: Cross multiply
    761,264,530,435.55x = 1,142,366,479,638.20 × 352,774,763,859.50
  4. Step 4: Simplify right side
    761,264,530,435.55x = 402,998,065,095,374,287,142,912
  5. Step 5: Solve for x
    x = 402,998,065,095,374,287,142,912/761,264,530,435.55
  6. Step 6: Final answer
    x = 529,379,800,297.28

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Double scale
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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.