Home / 479,260,312,307.52-661,400,020,955.86-265,404,202,379.52

Finding the Fourth Proportional to 479,260,312,307.52, 661,400,020,955.86 and 265,404,202,379.52

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Solution

The fourth proportional to 479,260,312,307.52, 661,400,020,955.86 and 265,404,202,379.52 is: 366,269,312,329.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,260,312,307.52 : 661,400,020,955.86 = 265,404,202,379.52 : x
  2. Step 2: Convert to fraction form
    479,260,312,307.52/661,400,020,955.86 = 265,404,202,379.52/x
  3. Step 3: Cross multiply
    479,260,312,307.52x = 661,400,020,955.86 × 265,404,202,379.52
  4. Step 4: Simplify right side
    479,260,312,307.52x = 175,538,345,015,587,828,137,984
  5. Step 5: Solve for x
    x = 175,538,345,015,587,828,137,984/479,260,312,307.52
  6. Step 6: Final answer
    x = 366,269,312,329.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.