Home / 490,677,498.30-735,391,057.05-260,756,730.30

Finding the Fourth Proportional to 490,677,498.30, 735,391,057.05 and 260,756,730.30

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Solution

The fourth proportional to 490,677,498.30, 735,391,057.05 and 260,756,730.30 is: 390,802,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,677,498.30 : 735,391,057.05 = 260,756,730.30 : x
  2. Step 2: Convert to fraction form
    490,677,498.30/735,391,057.05 = 260,756,730.30/x
  3. Step 3: Cross multiply
    490,677,498.30x = 735,391,057.05 × 260,756,730.30
  4. Step 4: Simplify right side
    490,677,498.30x = 191,758,167,528,218,752
  5. Step 5: Solve for x
    x = 191,758,167,528,218,752/490,677,498.30
  6. Step 6: Final answer
    x = 390,802,855.63

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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.