Home / 463,963,900.71-696,383,198.91-169,143,980.28

Finding the Fourth Proportional to 463,963,900.71, 696,383,198.91 and 169,143,980.28

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Solution

The fourth proportional to 463,963,900.71, 696,383,198.91 and 169,143,980.28 is: 253,875,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,963,900.71 : 696,383,198.91 = 169,143,980.28 : x
  2. Step 2: Convert to fraction form
    463,963,900.71/696,383,198.91 = 169,143,980.28/x
  3. Step 3: Cross multiply
    463,963,900.71x = 696,383,198.91 × 169,143,980.28
  4. Step 4: Simplify right side
    463,963,900.71x = 117,789,026,063,756,352
  5. Step 5: Solve for x
    x = 117,789,026,063,756,352/463,963,900.71
  6. Step 6: Final answer
    x = 253,875,411.18

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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.