Home / 18,236,763,957.63-27,319,520,430.53-12,563,350,319.45

Finding the Fourth Proportional to 18,236,763,957.63, 27,319,520,430.53 and 12,563,350,319.45

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Solution

The fourth proportional to 18,236,763,957.63, 27,319,520,430.53 and 12,563,350,319.45 is: 18,820,482,982.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236,763,957.63 : 27,319,520,430.53 = 12,563,350,319.45 : x
  2. Step 2: Convert to fraction form
    18,236,763,957.63/27,319,520,430.53 = 12,563,350,319.45/x
  3. Step 3: Cross multiply
    18,236,763,957.63x = 27,319,520,430.53 × 12,563,350,319.45
  4. Step 4: Simplify right side
    18,236,763,957.63x = 343,224,705,727,920,472,064
  5. Step 5: Solve for x
    x = 343,224,705,727,920,472,064/18,236,763,957.63
  6. Step 6: Final answer
    x = 18,820,482,982.91

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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.