Home / 734,018,459.20-1,101,027,688.80-443,780,814.40

Finding the Fourth Proportional to 734,018,459.20, 1,101,027,688.80 and 443,780,814.40

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Solution

The fourth proportional to 734,018,459.20, 1,101,027,688.80 and 443,780,814.40 is: 665,671,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,018,459.20 : 1,101,027,688.80 = 443,780,814.40 : x
  2. Step 2: Convert to fraction form
    734,018,459.20/1,101,027,688.80 = 443,780,814.40/x
  3. Step 3: Cross multiply
    734,018,459.20x = 1,101,027,688.80 × 443,780,814.40
  4. Step 4: Simplify right side
    734,018,459.20x = 488,614,964,412,613,696
  5. Step 5: Solve for x
    x = 488,614,964,412,613,696/734,018,459.20
  6. Step 6: Final answer
    x = 665,671,221.60

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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.