Home / 879,983,730.84-1,319,155,004.25-297,310,489.86

Finding the Fourth Proportional to 879,983,730.84, 1,319,155,004.25 and 297,310,489.86

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Solution

The fourth proportional to 879,983,730.84, 1,319,155,004.25 and 297,310,489.86 is: 445,688,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,983,730.84 : 1,319,155,004.25 = 297,310,489.86 : x
  2. Step 2: Convert to fraction form
    879,983,730.84/1,319,155,004.25 = 297,310,489.86/x
  3. Step 3: Cross multiply
    879,983,730.84x = 1,319,155,004.25 × 297,310,489.86
  4. Step 4: Simplify right side
    879,983,730.84x = 392,198,620,514,837,888
  5. Step 5: Solve for x
    x = 392,198,620,514,837,888/879,983,730.84
  6. Step 6: Final answer
    x = 445,688,490.33

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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.