Home / 1,196,821,391,687-1,651,615,113,266.40-648,113,642,921.65

Finding the Fourth Proportional to 1,196,821,391,687, 1,651,615,113,266.40 and 648,113,642,921.65

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Solution

The fourth proportional to 1,196,821,391,687, 1,651,615,113,266.40 and 648,113,642,921.65 is: 894,397,689,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,821,391,687 : 1,651,615,113,266.40 = 648,113,642,921.65 : x
  2. Step 2: Convert to fraction form
    1,196,821,391,687/1,651,615,113,266.40 = 648,113,642,921.65/x
  3. Step 3: Cross multiply
    1,196,821,391,687x = 1,651,615,113,266.40 × 648,113,642,921.65
  4. Step 4: Simplify right side
    1,196,821,391,687x = 1,070,434,287,763,540,045,463,552
  5. Step 5: Solve for x
    x = 1,070,434,287,763,540,045,463,552/1,196,821,391,687
  6. Step 6: Final answer
    x = 894,397,689,746.08

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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.