Home / 499,457,327.40-749,185,991.10-154,445,830.20

Finding the Fourth Proportional to 499,457,327.40, 749,185,991.10 and 154,445,830.20

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Solution

The fourth proportional to 499,457,327.40, 749,185,991.10 and 154,445,830.20 is: 231,668,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,457,327.40 : 749,185,991.10 = 154,445,830.20 : x
  2. Step 2: Convert to fraction form
    499,457,327.40/749,185,991.10 = 154,445,830.20/x
  3. Step 3: Cross multiply
    499,457,327.40x = 749,185,991.10 × 154,445,830.20
  4. Step 4: Simplify right side
    499,457,327.40x = 115,708,652,369,649,312
  5. Step 5: Solve for x
    x = 115,708,652,369,649,312/499,457,327.40
  6. Step 6: Final answer
    x = 231,668,745.30

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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.