Home / 7,180,928,349,696.80-9,909,690,679,010.60-3,888,681,857,104.20

Finding the Fourth Proportional to 7,180,928,349,696.80, 9,909,690,679,010.60 and 3,888,681,857,104.20

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Solution

The fourth proportional to 7,180,928,349,696.80, 9,909,690,679,010.60 and 3,888,681,857,104.20 is: 5,366,386,137,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,928,349,696.80 : 9,909,690,679,010.60 = 3,888,681,857,104.20 : x
  2. Step 2: Convert to fraction form
    7,180,928,349,696.80/9,909,690,679,010.60 = 3,888,681,857,104.20/x
  3. Step 3: Cross multiply
    7,180,928,349,696.80x = 9,909,690,679,010.60 × 3,888,681,857,104.20
  4. Step 4: Simplify right side
    7,180,928,349,696.80x = 38,535,634,352,983,121,151,918,080
  5. Step 5: Solve for x
    x = 38,535,634,352,983,121,151,918,080/7,180,928,349,696.80
  6. Step 6: Final answer
    x = 5,366,386,137,888.45

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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.