Home / 370,728,015.80-556,092,023.70-353,721,903.80

Finding the Fourth Proportional to 370,728,015.80, 556,092,023.70 and 353,721,903.80

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Solution

The fourth proportional to 370,728,015.80, 556,092,023.70 and 353,721,903.80 is: 530,582,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,728,015.80 : 556,092,023.70 = 353,721,903.80 : x
  2. Step 2: Convert to fraction form
    370,728,015.80/556,092,023.70 = 353,721,903.80/x
  3. Step 3: Cross multiply
    370,728,015.80x = 556,092,023.70 × 353,721,903.80
  4. Step 4: Simplify right side
    370,728,015.80x = 196,701,929,311,158,752
  5. Step 5: Solve for x
    x = 196,701,929,311,158,752/370,728,015.80
  6. Step 6: Final answer
    x = 530,582,855.70

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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.