Home / 464,875,444.80-641,480,639.52-286,230,964.80

Finding the Fourth Proportional to 464,875,444.80, 641,480,639.52 and 286,230,964.80

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Solution

The fourth proportional to 464,875,444.80, 641,480,639.52 and 286,230,964.80 is: 394,969,500.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,875,444.80 : 641,480,639.52 = 286,230,964.80 : x
  2. Step 2: Convert to fraction form
    464,875,444.80/641,480,639.52 = 286,230,964.80/x
  3. Step 3: Cross multiply
    464,875,444.80x = 641,480,639.52 × 286,230,964.80
  4. Step 4: Simplify right side
    464,875,444.80x = 183,611,622,350,330,624
  5. Step 5: Solve for x
    x = 183,611,622,350,330,624/464,875,444.80
  6. Step 6: Final answer
    x = 394,969,500.76

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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.