Home / 517,416,246.40-776,232,196.80-172,477,033.60

Finding the Fourth Proportional to 517,416,246.40, 776,232,196.80 and 172,477,033.60

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Solution

The fourth proportional to 517,416,246.40, 776,232,196.80 and 172,477,033.60 is: 258,751,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,416,246.40 : 776,232,196.80 = 172,477,033.60 : x
  2. Step 2: Convert to fraction form
    517,416,246.40/776,232,196.80 = 172,477,033.60/x
  3. Step 3: Cross multiply
    517,416,246.40x = 776,232,196.80 × 172,477,033.60
  4. Step 4: Simplify right side
    517,416,246.40x = 133,882,226,688,875,392
  5. Step 5: Solve for x
    x = 133,882,226,688,875,392/517,416,246.40
  6. Step 6: Final answer
    x = 258,751,493.83

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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.