Home / 714,178,626.06-1,069,636,939.80-340,949,049.54

Finding the Fourth Proportional to 714,178,626.06, 1,069,636,939.80 and 340,949,049.54

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Solution

The fourth proportional to 714,178,626.06, 1,069,636,939.80 and 340,949,049.54 is: 510,644,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,178,626.06 : 1,069,636,939.80 = 340,949,049.54 : x
  2. Step 2: Convert to fraction form
    714,178,626.06/1,069,636,939.80 = 340,949,049.54/x
  3. Step 3: Cross multiply
    714,178,626.06x = 1,069,636,939.80 × 340,949,049.54
  4. Step 4: Simplify right side
    714,178,626.06x = 364,691,697,977,684,224
  5. Step 5: Solve for x
    x = 364,691,697,977,684,224/714,178,626.06
  6. Step 6: Final answer
    x = 510,644,934.85

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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.