Home / 879,983,732.34-1,319,155,006.50-297,310,491.36

Finding the Fourth Proportional to 879,983,732.34, 1,319,155,006.50 and 297,310,491.36

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Solution

The fourth proportional to 879,983,732.34, 1,319,155,006.50 and 297,310,491.36 is: 445,688,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,983,732.34 : 1,319,155,006.50 = 297,310,491.36 : x
  2. Step 2: Convert to fraction form
    879,983,732.34/1,319,155,006.50 = 297,310,491.36/x
  3. Step 3: Cross multiply
    879,983,732.34x = 1,319,155,006.50 × 297,310,491.36
  4. Step 4: Simplify right side
    879,983,732.34x = 392,198,623,162,519,040
  5. Step 5: Solve for x
    x = 392,198,623,162,519,040/879,983,732.34
  6. Step 6: Final answer
    x = 445,688,492.58

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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.