Home / 384,284,408.31-529,916,130.18-328,713,798.96

Finding the Fourth Proportional to 384,284,408.31, 529,916,130.18 and 328,713,798.96

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Solution

The fourth proportional to 384,284,408.31, 529,916,130.18 and 328,713,798.96 is: 453,286,005.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,284,408.31 : 529,916,130.18 = 328,713,798.96 : x
  2. Step 2: Convert to fraction form
    384,284,408.31/529,916,130.18 = 328,713,798.96/x
  3. Step 3: Cross multiply
    384,284,408.31x = 529,916,130.18 × 328,713,798.96
  4. Step 4: Simplify right side
    384,284,408.31x = 174,190,744,281,649,696
  5. Step 5: Solve for x
    x = 174,190,744,281,649,696/384,284,408.31
  6. Step 6: Final answer
    x = 453,286,005.14

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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.