Home / 1,229,678,978,068.40-1,697,010,332,322.40-680,970,283,001.50

Finding the Fourth Proportional to 1,229,678,978,068.40, 1,697,010,332,322.40 and 680,970,283,001.50

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Solution

The fourth proportional to 1,229,678,978,068.40, 1,697,010,332,322.40 and 680,970,283,001.50 is: 939,768,530,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,678,978,068.40 : 1,697,010,332,322.40 = 680,970,283,001.50 : x
  2. Step 2: Convert to fraction form
    1,229,678,978,068.40/1,697,010,332,322.40 = 680,970,283,001.50/x
  3. Step 3: Cross multiply
    1,229,678,978,068.40x = 1,697,010,332,322.40 × 680,970,283,001.50
  4. Step 4: Simplify right side
    1,229,678,978,068.40x = 1,155,613,606,258,054,180,896,768
  5. Step 5: Solve for x
    x = 1,155,613,606,258,054,180,896,768/1,229,678,978,068.40
  6. Step 6: Final answer
    x = 939,768,530,542.27

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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.