Home / 2,813,269,168.56-4,220,513,138.52-847,957,835.28

Finding the Fourth Proportional to 2,813,269,168.56, 4,220,513,138.52 and 847,957,835.28

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Solution

The fourth proportional to 2,813,269,168.56, 4,220,513,138.52 and 847,957,835.28 is: 1,272,120,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,269,168.56 : 4,220,513,138.52 = 847,957,835.28 : x
  2. Step 2: Convert to fraction form
    2,813,269,168.56/4,220,513,138.52 = 847,957,835.28/x
  3. Step 3: Cross multiply
    2,813,269,168.56x = 4,220,513,138.52 × 847,957,835.28
  4. Step 4: Simplify right side
    2,813,269,168.56x = 3,578,817,184,710,217,728
  5. Step 5: Solve for x
    x = 3,578,817,184,710,217,728/2,813,269,168.56
  6. Step 6: Final answer
    x = 1,272,120,430.11

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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.