Home / 383,969,225.60-529,877,188.96-216,740,686.40

Finding the Fourth Proportional to 383,969,225.60, 529,877,188.96 and 216,740,686.40

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Solution

The fourth proportional to 383,969,225.60, 529,877,188.96 and 216,740,686.40 is: 299,101,953.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,969,225.60 : 529,877,188.96 = 216,740,686.40 : x
  2. Step 2: Convert to fraction form
    383,969,225.60/529,877,188.96 = 216,740,686.40/x
  3. Step 3: Cross multiply
    383,969,225.60x = 529,877,188.96 × 216,740,686.40
  4. Step 4: Simplify right side
    383,969,225.60x = 114,845,945,642,892,896
  5. Step 5: Solve for x
    x = 114,845,945,642,892,896/383,969,225.60
  6. Step 6: Final answer
    x = 299,101,953.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.