Home / 631,872,923.20-947,809,384.80-529,836,251.20

Finding the Fourth Proportional to 631,872,923.20, 947,809,384.80 and 529,836,251.20

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Solution

The fourth proportional to 631,872,923.20, 947,809,384.80 and 529,836,251.20 is: 794,754,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,872,923.20 : 947,809,384.80 = 529,836,251.20 : x
  2. Step 2: Convert to fraction form
    631,872,923.20/947,809,384.80 = 529,836,251.20/x
  3. Step 3: Cross multiply
    631,872,923.20x = 947,809,384.80 × 529,836,251.20
  4. Step 4: Simplify right side
    631,872,923.20x = 502,183,771,294,610,240
  5. Step 5: Solve for x
    x = 502,183,771,294,610,240/631,872,923.20
  6. Step 6: Final answer
    x = 794,754,376.80

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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.