Home / 484,764,868.59-668,992,027.01-286,696,151.79

Finding the Fourth Proportional to 484,764,868.59, 668,992,027.01 and 286,696,151.79

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Solution

The fourth proportional to 484,764,868.59, 668,992,027.01 and 286,696,151.79 is: 395,650,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,764,868.59 : 668,992,027.01 = 286,696,151.79 : x
  2. Step 2: Convert to fraction form
    484,764,868.59/668,992,027.01 = 286,696,151.79/x
  3. Step 3: Cross multiply
    484,764,868.59x = 668,992,027.01 × 286,696,151.79
  4. Step 4: Simplify right side
    484,764,868.59x = 191,797,439,720,525,280
  5. Step 5: Solve for x
    x = 191,797,439,720,525,280/484,764,868.59
  6. Step 6: Final answer
    x = 395,650,452.72

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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.