Home / 417,317,959,898.83-626,012,998,660.43-115,130,562,618.78

Finding the Fourth Proportional to 417,317,959,898.83, 626,012,998,660.43 and 115,130,562,618.78

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Solution

The fourth proportional to 417,317,959,898.83, 626,012,998,660.43 and 115,130,562,618.78 is: 172,705,791,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,317,959,898.83 : 626,012,998,660.43 = 115,130,562,618.78 : x
  2. Step 2: Convert to fraction form
    417,317,959,898.83/626,012,998,660.43 = 115,130,562,618.78/x
  3. Step 3: Cross multiply
    417,317,959,898.83x = 626,012,998,660.43 × 115,130,562,618.78
  4. Step 4: Simplify right side
    417,317,959,898.83x = 72,073,228,742,444,877,611,008
  5. Step 5: Solve for x
    x = 72,073,228,742,444,877,611,008/417,317,959,898.83
  6. Step 6: Final answer
    x = 172,705,791,909.65

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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.