Home / 6,048,130,187.70-9,072,195,281.55-5,428,257,405.30

Finding the Fourth Proportional to 6,048,130,187.70, 9,072,195,281.55 and 5,428,257,405.30

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Solution

The fourth proportional to 6,048,130,187.70, 9,072,195,281.55 and 5,428,257,405.30 is: 8,142,386,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,048,130,187.70 : 9,072,195,281.55 = 5,428,257,405.30 : x
  2. Step 2: Convert to fraction form
    6,048,130,187.70/9,072,195,281.55 = 5,428,257,405.30/x
  3. Step 3: Cross multiply
    6,048,130,187.70x = 9,072,195,281.55 × 5,428,257,405.30
  4. Step 4: Simplify right side
    6,048,130,187.70x = 49,246,211,219,401,506,816
  5. Step 5: Solve for x
    x = 49,246,211,219,401,506,816/6,048,130,187.70
  6. Step 6: Final answer
    x = 8,142,386,107.95

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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.