Home / 217,618,688.40-305,069,271.60-217,618,688.40

Finding the Fourth Proportional to 217,618,688.40, 305,069,271.60 and 217,618,688.40

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Solution

The fourth proportional to 217,618,688.40, 305,069,271.60 and 217,618,688.40 is: 305,069,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,618,688.40 : 305,069,271.60 = 217,618,688.40 : x
  2. Step 2: Convert to fraction form
    217,618,688.40/305,069,271.60 = 217,618,688.40/x
  3. Step 3: Cross multiply
    217,618,688.40x = 305,069,271.60 × 217,618,688.40
  4. Step 4: Simplify right side
    217,618,688.40x = 66,388,774,756,735,376
  5. Step 5: Solve for x
    x = 66,388,774,756,735,376/217,618,688.40
  6. Step 6: Final answer
    x = 305,069,271.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.