Home / 291,381,652.80-437,072,479.20-146,262,830.40

Finding the Fourth Proportional to 291,381,652.80, 437,072,479.20 and 146,262,830.40

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Solution

The fourth proportional to 291,381,652.80, 437,072,479.20 and 146,262,830.40 is: 219,394,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,381,652.80 : 437,072,479.20 = 146,262,830.40 : x
  2. Step 2: Convert to fraction form
    291,381,652.80/437,072,479.20 = 146,262,830.40/x
  3. Step 3: Cross multiply
    291,381,652.80x = 437,072,479.20 × 146,262,830.40
  4. Step 4: Simplify right side
    291,381,652.80x = 63,927,457,897,737,128
  5. Step 5: Solve for x
    x = 63,927,457,897,737,128/291,381,652.80
  6. Step 6: Final answer
    x = 219,394,245.60

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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.