Home / 656,208,096.40-984,312,144.60-646,004,429.20

Finding the Fourth Proportional to 656,208,096.40, 984,312,144.60 and 646,004,429.20

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Solution

The fourth proportional to 656,208,096.40, 984,312,144.60 and 646,004,429.20 is: 969,006,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,208,096.40 : 984,312,144.60 = 646,004,429.20 : x
  2. Step 2: Convert to fraction form
    656,208,096.40/984,312,144.60 = 646,004,429.20/x
  3. Step 3: Cross multiply
    656,208,096.40x = 984,312,144.60 × 646,004,429.20
  4. Step 4: Simplify right side
    656,208,096.40x = 635,870,005,126,950,912
  5. Step 5: Solve for x
    x = 635,870,005,126,950,912/656,208,096.40
  6. Step 6: Final answer
    x = 969,006,643.80

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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.