Home / 713,019,821.80-1,069,529,732.70-325,599,332.80

Finding the Fourth Proportional to 713,019,821.80, 1,069,529,732.70 and 325,599,332.80

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Solution

The fourth proportional to 713,019,821.80, 1,069,529,732.70 and 325,599,332.80 is: 488,398,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,019,821.80 : 1,069,529,732.70 = 325,599,332.80 : x
  2. Step 2: Convert to fraction form
    713,019,821.80/1,069,529,732.70 = 325,599,332.80/x
  3. Step 3: Cross multiply
    713,019,821.80x = 1,069,529,732.70 × 325,599,332.80
  4. Step 4: Simplify right side
    713,019,821.80x = 348,238,167,376,882,368
  5. Step 5: Solve for x
    x = 348,238,167,376,882,368/713,019,821.80
  6. Step 6: Final answer
    x = 488,398,999.20

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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.