Home / 525,289,219.13-724,914,538.38-287,147,562.77

Finding the Fourth Proportional to 525,289,219.13, 724,914,538.38 and 287,147,562.77

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Solution

The fourth proportional to 525,289,219.13, 724,914,538.38 and 287,147,562.77 is: 396,272,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,289,219.13 : 724,914,538.38 = 287,147,562.77 : x
  2. Step 2: Convert to fraction form
    525,289,219.13/724,914,538.38 = 287,147,562.77/x
  3. Step 3: Cross multiply
    525,289,219.13x = 724,914,538.38 × 287,147,562.77
  4. Step 4: Simplify right side
    525,289,219.13x = 208,157,442,908,732,032
  5. Step 5: Solve for x
    x = 208,157,442,908,732,032/525,289,219.13
  6. Step 6: Final answer
    x = 396,272,063.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.