Home / 1,165,878,824.21-1,608,908,871.32-637,242,504.09

Finding the Fourth Proportional to 1,165,878,824.21, 1,608,908,871.32 and 637,242,504.09

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Solution

The fourth proportional to 1,165,878,824.21, 1,608,908,871.32 and 637,242,504.09 is: 879,392,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,878,824.21 : 1,608,908,871.32 = 637,242,504.09 : x
  2. Step 2: Convert to fraction form
    1,165,878,824.21/1,608,908,871.32 = 637,242,504.09/x
  3. Step 3: Cross multiply
    1,165,878,824.21x = 1,608,908,871.32 × 637,242,504.09
  4. Step 4: Simplify right side
    1,165,878,824.21x = 1,025,265,118,012,572,416
  5. Step 5: Solve for x
    x = 1,025,265,118,012,572,416/1,165,878,824.21
  6. Step 6: Final answer
    x = 879,392,520.67

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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.