Home / 1,688,226,220.28-2,329,881,430.42-1,062,231,237.56

Finding the Fourth Proportional to 1,688,226,220.28, 2,329,881,430.42 and 1,062,231,237.56

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Solution

The fourth proportional to 1,688,226,220.28, 2,329,881,430.42 and 1,062,231,237.56 is: 1,465,960,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,226,220.28 : 2,329,881,430.42 = 1,062,231,237.56 : x
  2. Step 2: Convert to fraction form
    1,688,226,220.28/2,329,881,430.42 = 1,062,231,237.56/x
  3. Step 3: Cross multiply
    1,688,226,220.28x = 2,329,881,430.42 × 1,062,231,237.56
  4. Step 4: Simplify right side
    1,688,226,220.28x = 2,474,872,835,203,099,648
  5. Step 5: Solve for x
    x = 2,474,872,835,203,099,648/1,688,226,220.28
  6. Step 6: Final answer
    x = 1,465,960,429.64

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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.