Home / 455,537,088.07-682,138,504.01-315,283,263.57

Finding the Fourth Proportional to 455,537,088.07, 682,138,504.01 and 315,283,263.57

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Solution

The fourth proportional to 455,537,088.07, 682,138,504.01 and 315,283,263.57 is: 472,117,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,537,088.07 : 682,138,504.01 = 315,283,263.57 : x
  2. Step 2: Convert to fraction form
    455,537,088.07/682,138,504.01 = 315,283,263.57/x
  3. Step 3: Cross multiply
    455,537,088.07x = 682,138,504.01 × 315,283,263.57
  4. Step 4: Simplify right side
    455,537,088.07x = 215,066,853,751,818,560
  5. Step 5: Solve for x
    x = 215,066,853,751,818,560/455,537,088.07
  6. Step 6: Final answer
    x = 472,117,110.52

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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.