Home / 946,672,774.10-1,420,009,139.28-256,580,014.40

Finding the Fourth Proportional to 946,672,774.10, 1,420,009,139.28 and 256,580,014.40

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Solution

The fourth proportional to 946,672,774.10, 1,420,009,139.28 and 256,580,014.40 is: 384,870,015.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,672,774.10 : 1,420,009,139.28 = 256,580,014.40 : x
  2. Step 2: Convert to fraction form
    946,672,774.10/1,420,009,139.28 = 256,580,014.40/x
  3. Step 3: Cross multiply
    946,672,774.10x = 1,420,009,139.28 × 256,580,014.40
  4. Step 4: Simplify right side
    946,672,774.10x = 364,345,965,404,593,984
  5. Step 5: Solve for x
    x = 364,345,965,404,593,984/946,672,774.10
  6. Step 6: Final answer
    x = 384,870,015.67

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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.