Home / 990,109,065,554.53-1,485,161,744,688.10-310,239,468,891.07

Finding the Fourth Proportional to 990,109,065,554.53, 1,485,161,744,688.10 and 310,239,468,891.07

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Solution

The fourth proportional to 990,109,065,554.53, 1,485,161,744,688.10 and 310,239,468,891.07 is: 465,358,622,518.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,109,065,554.53 : 1,485,161,744,688.10 = 310,239,468,891.07 : x
  2. Step 2: Convert to fraction form
    990,109,065,554.53/1,485,161,744,688.10 = 310,239,468,891.07/x
  3. Step 3: Cross multiply
    990,109,065,554.53x = 1,485,161,744,688.10 × 310,239,468,891.07
  4. Step 4: Simplify right side
    990,109,065,554.53x = 460,755,790,889,371,092,123,648
  5. Step 5: Solve for x
    x = 460,755,790,889,371,092,123,648/990,109,065,554.53
  6. Step 6: Final answer
    x = 465,358,622,518.33

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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.