Home / 11,245,440,678.80-16,868,161,018.20-8,343,064,230.80

Finding the Fourth Proportional to 11,245,440,678.80, 16,868,161,018.20 and 8,343,064,230.80

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Solution

The fourth proportional to 11,245,440,678.80, 16,868,161,018.20 and 8,343,064,230.80 is: 12,514,596,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245,440,678.80 : 16,868,161,018.20 = 8,343,064,230.80 : x
  2. Step 2: Convert to fraction form
    11,245,440,678.80/16,868,161,018.20 = 8,343,064,230.80/x
  3. Step 3: Cross multiply
    11,245,440,678.80x = 16,868,161,018.20 × 8,343,064,230.80
  4. Step 4: Simplify right side
    11,245,440,678.80x = 140,732,150,830,319,337,472
  5. Step 5: Solve for x
    x = 140,732,150,830,319,337,472/11,245,440,678.80
  6. Step 6: Final answer
    x = 12,514,596,346.20

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Double scale
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1.5x scale

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.