Home / 990,109,065,146.67-1,485,161,744,073.70-310,239,468,483.24

Finding the Fourth Proportional to 990,109,065,146.67, 1,485,161,744,073.70 and 310,239,468,483.24

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Solution

The fourth proportional to 990,109,065,146.67, 1,485,161,744,073.70 and 310,239,468,483.24 is: 465,358,621,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,109,065,146.67 : 1,485,161,744,073.70 = 310,239,468,483.24 : x
  2. Step 2: Convert to fraction form
    990,109,065,146.67/1,485,161,744,073.70 = 310,239,468,483.24/x
  3. Step 3: Cross multiply
    990,109,065,146.67x = 1,485,161,744,073.70 × 310,239,468,483.24
  4. Step 4: Simplify right side
    990,109,065,146.67x = 460,755,790,093,066,371,596,288
  5. Step 5: Solve for x
    x = 460,755,790,093,066,371,596,288/990,109,065,146.67
  6. Step 6: Final answer
    x = 465,358,621,905.77

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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.