Home / 435,530,015.10-653,295,022.65-402,273,618.30

Finding the Fourth Proportional to 435,530,015.10, 653,295,022.65 and 402,273,618.30

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Solution

The fourth proportional to 435,530,015.10, 653,295,022.65 and 402,273,618.30 is: 603,410,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,530,015.10 : 653,295,022.65 = 402,273,618.30 : x
  2. Step 2: Convert to fraction form
    435,530,015.10/653,295,022.65 = 402,273,618.30/x
  3. Step 3: Cross multiply
    435,530,015.10x = 653,295,022.65 × 402,273,618.30
  4. Step 4: Simplify right side
    435,530,015.10x = 262,803,352,578,795,968
  5. Step 5: Solve for x
    x = 262,803,352,578,795,968/435,530,015.10
  6. Step 6: Final answer
    x = 603,410,427.45

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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.