Home / 420,059,114.60-630,088,671.90-363,436,010.60

Finding the Fourth Proportional to 420,059,114.60, 630,088,671.90 and 363,436,010.60

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Solution

The fourth proportional to 420,059,114.60, 630,088,671.90 and 363,436,010.60 is: 545,154,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,059,114.60 : 630,088,671.90 = 363,436,010.60 : x
  2. Step 2: Convert to fraction form
    420,059,114.60/630,088,671.90 = 363,436,010.60/x
  3. Step 3: Cross multiply
    420,059,114.60x = 630,088,671.90 × 363,436,010.60
  4. Step 4: Simplify right side
    420,059,114.60x = 228,996,913,239,588,320
  5. Step 5: Solve for x
    x = 228,996,913,239,588,320/420,059,114.60
  6. Step 6: Final answer
    x = 545,154,015.90

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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.