Home / 525,289,097.27-724,914,370.32-287,147,442.29

Finding the Fourth Proportional to 525,289,097.27, 724,914,370.32 and 287,147,442.29

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Solution

The fourth proportional to 525,289,097.27, 724,914,370.32 and 287,147,442.29 is: 396,271,897.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,289,097.27 : 724,914,370.32 = 287,147,442.29 : x
  2. Step 2: Convert to fraction form
    525,289,097.27/724,914,370.32 = 287,147,442.29/x
  3. Step 3: Cross multiply
    525,289,097.27x = 724,914,370.32 × 287,147,442.29
  4. Step 4: Simplify right side
    525,289,097.27x = 208,157,307,316,653,920
  5. Step 5: Solve for x
    x = 208,157,307,316,653,920/525,289,097.27
  6. Step 6: Final answer
    x = 396,271,897.51

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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.