Home / 498,636,218.70-747,954,328.05-153,545,005.35

Finding the Fourth Proportional to 498,636,218.70, 747,954,328.05 and 153,545,005.35

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Solution

The fourth proportional to 498,636,218.70, 747,954,328.05 and 153,545,005.35 is: 230,317,508.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,636,218.70 : 747,954,328.05 = 153,545,005.35 : x
  2. Step 2: Convert to fraction form
    498,636,218.70/747,954,328.05 = 153,545,005.35/x
  3. Step 3: Cross multiply
    498,636,218.70x = 747,954,328.05 × 153,545,005.35
  4. Step 4: Simplify right side
    498,636,218.70x = 114,844,651,301,992,896
  5. Step 5: Solve for x
    x = 114,844,651,301,992,896/498,636,218.70
  6. Step 6: Final answer
    x = 230,317,508.03

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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.