Home / 585,916,059-878,379,804.56-482,290,378.40

Finding the Fourth Proportional to 585,916,059, 878,379,804.56 and 482,290,378.40

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Solution

The fourth proportional to 585,916,059, 878,379,804.56 and 482,290,378.40 is: 723,028,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,916,059 : 878,379,804.56 = 482,290,378.40 : x
  2. Step 2: Convert to fraction form
    585,916,059/878,379,804.56 = 482,290,378.40/x
  3. Step 3: Cross multiply
    585,916,059x = 878,379,804.56 × 482,290,378.40
  4. Step 4: Simplify right side
    585,916,059x = 423,634,128,320,160,384
  5. Step 5: Solve for x
    x = 423,634,128,320,160,384/585,916,059
  6. Step 6: Final answer
    x = 723,028,703.20

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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.