Home / 351,883,296.85-528,076,887.68-147,558,010.45

Finding the Fourth Proportional to 351,883,296.85, 528,076,887.68 and 147,558,010.45

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Solution

The fourth proportional to 351,883,296.85, 528,076,887.68 and 147,558,010.45 is: 221,442,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,883,296.85 : 528,076,887.68 = 147,558,010.45 : x
  2. Step 2: Convert to fraction form
    351,883,296.85/528,076,887.68 = 147,558,010.45/x
  3. Step 3: Cross multiply
    351,883,296.85x = 528,076,887.68 × 147,558,010.45
  4. Step 4: Simplify right side
    351,883,296.85x = 77,921,974,910,688,912
  5. Step 5: Solve for x
    x = 77,921,974,910,688,912/351,883,296.85
  6. Step 6: Final answer
    x = 221,442,664.68

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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.