Home / 559,970,384.40-839,955,576.60-387,783,500.40

Finding the Fourth Proportional to 559,970,384.40, 839,955,576.60 and 387,783,500.40

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Solution

The fourth proportional to 559,970,384.40, 839,955,576.60 and 387,783,500.40 is: 581,675,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,970,384.40 : 839,955,576.60 = 387,783,500.40 : x
  2. Step 2: Convert to fraction form
    559,970,384.40/839,955,576.60 = 387,783,500.40/x
  3. Step 3: Cross multiply
    559,970,384.40x = 839,955,576.60 × 387,783,500.40
  4. Step 4: Simplify right side
    559,970,384.40x = 325,720,913,674,448,320
  5. Step 5: Solve for x
    x = 325,720,913,674,448,320/559,970,384.40
  6. Step 6: Final answer
    x = 581,675,250.60

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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.