Home / 490,051,134.40-735,927,007.20-260,468,622.40

Finding the Fourth Proportional to 490,051,134.40, 735,927,007.20 and 260,468,622.40

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Solution

The fourth proportional to 490,051,134.40, 735,927,007.20 and 260,468,622.40 is: 391,154,882.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,051,134.40 : 735,927,007.20 = 260,468,622.40 : x
  2. Step 2: Convert to fraction form
    490,051,134.40/735,927,007.20 = 260,468,622.40/x
  3. Step 3: Cross multiply
    490,051,134.40x = 735,927,007.20 × 260,468,622.40
  4. Step 4: Simplify right side
    490,051,134.40x = 191,685,893,752,338,912
  5. Step 5: Solve for x
    x = 191,685,893,752,338,912/490,051,134.40
  6. Step 6: Final answer
    x = 391,154,882.21

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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.