Home / 1,405,948,007.60-2,108,922,011.40-1,178,066,106.80

Finding the Fourth Proportional to 1,405,948,007.60, 2,108,922,011.40 and 1,178,066,106.80

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Solution

The fourth proportional to 1,405,948,007.60, 2,108,922,011.40 and 1,178,066,106.80 is: 1,767,099,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,948,007.60 : 2,108,922,011.40 = 1,178,066,106.80 : x
  2. Step 2: Convert to fraction form
    1,405,948,007.60/2,108,922,011.40 = 1,178,066,106.80/x
  3. Step 3: Cross multiply
    1,405,948,007.60x = 2,108,922,011.40 × 1,178,066,106.80
  4. Step 4: Simplify right side
    1,405,948,007.60x = 2,484,449,543,514,823,168
  5. Step 5: Solve for x
    x = 2,484,449,543,514,823,168/1,405,948,007.60
  6. Step 6: Final answer
    x = 1,767,099,160.20

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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.