Home / 432,296,994,341.76-648,314,938,878.72-130,029,356,309.58

Finding the Fourth Proportional to 432,296,994,341.76, 648,314,938,878.72 and 130,029,356,309.58

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Solution

The fourth proportional to 432,296,994,341.76, 648,314,938,878.72 and 130,029,356,309.58 is: 195,004,765,917.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,296,994,341.76 : 648,314,938,878.72 = 130,029,356,309.58 : x
  2. Step 2: Convert to fraction form
    432,296,994,341.76/648,314,938,878.72 = 130,029,356,309.58/x
  3. Step 3: Cross multiply
    432,296,994,341.76x = 648,314,938,878.72 × 130,029,356,309.58
  4. Step 4: Simplify right side
    432,296,994,341.76x = 84,299,974,188,284,663,300,096
  5. Step 5: Solve for x
    x = 84,299,974,188,284,663,300,096/432,296,994,341.76
  6. Step 6: Final answer
    x = 195,004,765,917.11

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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.