Home / 759,742,079.69-1,048,476,837.39-420,650,552.28

Finding the Fourth Proportional to 759,742,079.69, 1,048,476,837.39 and 420,650,552.28

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Solution

The fourth proportional to 759,742,079.69, 1,048,476,837.39 and 420,650,552.28 is: 580,515,904.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,742,079.69 : 1,048,476,837.39 = 420,650,552.28 : x
  2. Step 2: Convert to fraction form
    759,742,079.69/1,048,476,837.39 = 420,650,552.28/x
  3. Step 3: Cross multiply
    759,742,079.69x = 1,048,476,837.39 × 420,650,552.28
  4. Step 4: Simplify right side
    759,742,079.69x = 441,042,360,700,891,200
  5. Step 5: Solve for x
    x = 441,042,360,700,891,200/759,742,079.69
  6. Step 6: Final answer
    x = 580,515,904.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.