Home / 713,019,807.80-1,069,529,711.70-325,599,318.80

Finding the Fourth Proportional to 713,019,807.80, 1,069,529,711.70 and 325,599,318.80

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Solution

The fourth proportional to 713,019,807.80, 1,069,529,711.70 and 325,599,318.80 is: 488,398,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,019,807.80 : 1,069,529,711.70 = 325,599,318.80 : x
  2. Step 2: Convert to fraction form
    713,019,807.80/1,069,529,711.70 = 325,599,318.80/x
  3. Step 3: Cross multiply
    713,019,807.80x = 1,069,529,711.70 × 325,599,318.80
  4. Step 4: Simplify right side
    713,019,807.80x = 348,238,145,565,880,448
  5. Step 5: Solve for x
    x = 348,238,145,565,880,448/713,019,807.80
  6. Step 6: Final answer
    x = 488,398,978.20

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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.