Home / 464,026,709-640,373,695.08-265,826,509.76

Finding the Fourth Proportional to 464,026,709, 640,373,695.08 and 265,826,509.76

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Solution

The fourth proportional to 464,026,709, 640,373,695.08 and 265,826,509.76 is: 366,850,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,026,709 : 640,373,695.08 = 265,826,509.76 : x
  2. Step 2: Convert to fraction form
    464,026,709/640,373,695.08 = 265,826,509.76/x
  3. Step 3: Cross multiply
    464,026,709x = 640,373,695.08 × 265,826,509.76
  4. Step 4: Simplify right side
    464,026,709x = 170,228,304,305,230,880
  5. Step 5: Solve for x
    x = 170,228,304,305,230,880/464,026,709
  6. Step 6: Final answer
    x = 366,850,228.67

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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.