Home / 843,602,712.30-1,265,408,275.59-345,885,086.05

Finding the Fourth Proportional to 843,602,712.30, 1,265,408,275.59 and 345,885,086.05

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Solution

The fourth proportional to 843,602,712.30, 1,265,408,275.59 and 345,885,086.05 is: 518,829,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,602,712.30 : 1,265,408,275.59 = 345,885,086.05 : x
  2. Step 2: Convert to fraction form
    843,602,712.30/1,265,408,275.59 = 345,885,086.05/x
  3. Step 3: Cross multiply
    843,602,712.30x = 1,265,408,275.59 × 345,885,086.05
  4. Step 4: Simplify right side
    843,602,712.30x = 437,685,850,287,665,728
  5. Step 5: Solve for x
    x = 437,685,850,287,665,728/843,602,712.30
  6. Step 6: Final answer
    x = 518,829,354.04

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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.