Home / 990,109,065,552.03-1,485,161,744,684.40-310,239,468,888.57

Finding the Fourth Proportional to 990,109,065,552.03, 1,485,161,744,684.40 and 310,239,468,888.57

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Solution

The fourth proportional to 990,109,065,552.03, 1,485,161,744,684.40 and 310,239,468,888.57 is: 465,358,622,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,109,065,552.03 : 1,485,161,744,684.40 = 310,239,468,888.57 : x
  2. Step 2: Convert to fraction form
    990,109,065,552.03/1,485,161,744,684.40 = 310,239,468,888.57/x
  3. Step 3: Cross multiply
    990,109,065,552.03x = 1,485,161,744,684.40 × 310,239,468,888.57
  4. Step 4: Simplify right side
    990,109,065,552.03x = 460,755,790,884,510,262,886,400
  5. Step 5: Solve for x
    x = 460,755,790,884,510,262,886,400/990,109,065,552.03
  6. Step 6: Final answer
    x = 465,358,622,514.60

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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.