Home / 453,783,644.37-680,699,603.34-142,915,570.83

Finding the Fourth Proportional to 453,783,644.37, 680,699,603.34 and 142,915,570.83

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Solution

The fourth proportional to 453,783,644.37, 680,699,603.34 and 142,915,570.83 is: 214,380,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,783,644.37 : 680,699,603.34 = 142,915,570.83 : x
  2. Step 2: Convert to fraction form
    453,783,644.37/680,699,603.34 = 142,915,570.83/x
  3. Step 3: Cross multiply
    453,783,644.37x = 680,699,603.34 × 142,915,570.83
  4. Step 4: Simplify right side
    453,783,644.37x = 97,282,572,375,090,688
  5. Step 5: Solve for x
    x = 97,282,572,375,090,688/453,783,644.37
  6. Step 6: Final answer
    x = 214,380,957.93

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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.