Home / 680,366,791.47-1,019,721,080.57-352,661,637.63

Finding the Fourth Proportional to 680,366,791.47, 1,019,721,080.57 and 352,661,637.63

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Solution

The fourth proportional to 680,366,791.47, 1,019,721,080.57 and 352,661,637.63 is: 528,562,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,366,791.47 : 1,019,721,080.57 = 352,661,637.63 : x
  2. Step 2: Convert to fraction form
    680,366,791.47/1,019,721,080.57 = 352,661,637.63/x
  3. Step 3: Cross multiply
    680,366,791.47x = 1,019,721,080.57 × 352,661,637.63
  4. Step 4: Simplify right side
    680,366,791.47x = 359,616,506,197,886,080
  5. Step 5: Solve for x
    x = 359,616,506,197,886,080/680,366,791.47
  6. Step 6: Final answer
    x = 528,562,696.93

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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.