Home / 879,983,731.84-1,319,155,005.75-297,310,490.86

Finding the Fourth Proportional to 879,983,731.84, 1,319,155,005.75 and 297,310,490.86

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Solution

The fourth proportional to 879,983,731.84, 1,319,155,005.75 and 297,310,490.86 is: 445,688,491.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,983,731.84 : 1,319,155,005.75 = 297,310,490.86 : x
  2. Step 2: Convert to fraction form
    879,983,731.84/1,319,155,005.75 = 297,310,490.86/x
  3. Step 3: Cross multiply
    879,983,731.84x = 1,319,155,005.75 × 297,310,490.86
  4. Step 4: Simplify right side
    879,983,731.84x = 392,198,622,279,958,656
  5. Step 5: Solve for x
    x = 392,198,622,279,958,656/879,983,731.84
  6. Step 6: Final answer
    x = 445,688,491.83

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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.