Home / 688,692,865.32-1,033,262,379.24-412,300,855.08

Finding the Fourth Proportional to 688,692,865.32, 1,033,262,379.24 and 412,300,855.08

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Solution

The fourth proportional to 688,692,865.32, 1,033,262,379.24 and 412,300,855.08 is: 618,584,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,692,865.32 : 1,033,262,379.24 = 412,300,855.08 : x
  2. Step 2: Convert to fraction form
    688,692,865.32/1,033,262,379.24 = 412,300,855.08/x
  3. Step 3: Cross multiply
    688,692,865.32x = 1,033,262,379.24 × 412,300,855.08
  4. Step 4: Simplify right side
    688,692,865.32x = 426,014,962,482,647,232
  5. Step 5: Solve for x
    x = 426,014,962,482,647,232/688,692,865.32
  6. Step 6: Final answer
    x = 618,584,835.03

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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.