Home / 1,098,998,065.58-1,648,559,939.09-311,990,160.04

Finding the Fourth Proportional to 1,098,998,065.58, 1,648,559,939.09 and 311,990,160.04

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Solution

The fourth proportional to 1,098,998,065.58, 1,648,559,939.09 and 311,990,160.04 is: 468,003,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,998,065.58 : 1,648,559,939.09 = 311,990,160.04 : x
  2. Step 2: Convert to fraction form
    1,098,998,065.58/1,648,559,939.09 = 311,990,160.04/x
  3. Step 3: Cross multiply
    1,098,998,065.58x = 1,648,559,939.09 × 311,990,160.04
  4. Step 4: Simplify right side
    1,098,998,065.58x = 514,334,479,226,540,480
  5. Step 5: Solve for x
    x = 514,334,479,226,540,480/1,098,998,065.58
  6. Step 6: Final answer
    x = 468,003,079.66

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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.