Home / 1,416,968,898.60-2,125,851,479.10-689,981,327.40

Finding the Fourth Proportional to 1,416,968,898.60, 2,125,851,479.10 and 689,981,327.40

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Solution

The fourth proportional to 1,416,968,898.60, 2,125,851,479.10 and 689,981,327.40 is: 1,035,165,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,968,898.60 : 2,125,851,479.10 = 689,981,327.40 : x
  2. Step 2: Convert to fraction form
    1,416,968,898.60/2,125,851,479.10 = 689,981,327.40/x
  3. Step 3: Cross multiply
    1,416,968,898.60x = 2,125,851,479.10 × 689,981,327.40
  4. Step 4: Simplify right side
    1,416,968,898.60x = 1,466,797,825,404,671,232
  5. Step 5: Solve for x
    x = 1,466,797,825,404,671,232/1,416,968,898.60
  6. Step 6: Final answer
    x = 1,035,165,857.81

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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.