Home / 665,829,156.96-997,653,093.12-354,606,343.20

Finding the Fourth Proportional to 665,829,156.96, 997,653,093.12 and 354,606,343.20

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Solution

The fourth proportional to 665,829,156.96, 997,653,093.12 and 354,606,343.20 is: 531,328,662.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,829,156.96 : 997,653,093.12 = 354,606,343.20 : x
  2. Step 2: Convert to fraction form
    665,829,156.96/997,653,093.12 = 354,606,343.20/x
  3. Step 3: Cross multiply
    665,829,156.96x = 997,653,093.12 × 354,606,343.20
  4. Step 4: Simplify right side
    665,829,156.96x = 353,774,115,133,452,288
  5. Step 5: Solve for x
    x = 353,774,115,133,452,288/665,829,156.96
  6. Step 6: Final answer
    x = 531,328,662.07

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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.