Home / 827,169,467.20-1,240,754,200.80-367,154,137.60

Finding the Fourth Proportional to 827,169,467.20, 1,240,754,200.80 and 367,154,137.60

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Solution

The fourth proportional to 827,169,467.20, 1,240,754,200.80 and 367,154,137.60 is: 550,731,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,169,467.20 : 1,240,754,200.80 = 367,154,137.60 : x
  2. Step 2: Convert to fraction form
    827,169,467.20/1,240,754,200.80 = 367,154,137.60/x
  3. Step 3: Cross multiply
    827,169,467.20x = 1,240,754,200.80 × 367,154,137.60
  4. Step 4: Simplify right side
    827,169,467.20x = 455,548,038,568,301,248
  5. Step 5: Solve for x
    x = 455,548,038,568,301,248/827,169,467.20
  6. Step 6: Final answer
    x = 550,731,206.40

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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.