Home / 467,423,155-645,062,946.78-258,575,696.92

Finding the Fourth Proportional to 467,423,155, 645,062,946.78 and 258,575,696.92

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Solution

The fourth proportional to 467,423,155, 645,062,946.78 and 258,575,696.92 is: 356,844,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,423,155 : 645,062,946.78 = 258,575,696.92 : x
  2. Step 2: Convert to fraction form
    467,423,155/645,062,946.78 = 258,575,696.92/x
  3. Step 3: Cross multiply
    467,423,155x = 645,062,946.78 × 258,575,696.92
  4. Step 4: Simplify right side
    467,423,155x = 166,797,601,020,907,360
  5. Step 5: Solve for x
    x = 166,797,601,020,907,360/467,423,155
  6. Step 6: Final answer
    x = 356,844,968.50

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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.