Home / 412,288,693.44-617,087,124.70-303,084,960

Finding the Fourth Proportional to 412,288,693.44, 617,087,124.70 and 303,084,960

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Solution

The fourth proportional to 412,288,693.44, 617,087,124.70 and 303,084,960 is: 453,638,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,288,693.44 : 617,087,124.70 = 303,084,960 : x
  2. Step 2: Convert to fraction form
    412,288,693.44/617,087,124.70 = 303,084,960/x
  3. Step 3: Cross multiply
    412,288,693.44x = 617,087,124.70 × 303,084,960
  4. Step 4: Simplify right side
    412,288,693.44x = 187,029,826,506,214,528
  5. Step 5: Solve for x
    x = 187,029,826,506,214,528/412,288,693.44
  6. Step 6: Final answer
    x = 453,638,019.87

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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.