Home / 1,245,251,102.40-1,718,449,984.76-680,742,805.32

Finding the Fourth Proportional to 1,245,251,102.40, 1,718,449,984.76 and 680,742,805.32

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Solution

The fourth proportional to 1,245,251,102.40, 1,718,449,984.76 and 680,742,805.32 is: 939,426,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,251,102.40 : 1,718,449,984.76 = 680,742,805.32 : x
  2. Step 2: Convert to fraction form
    1,245,251,102.40/1,718,449,984.76 = 680,742,805.32/x
  3. Step 3: Cross multiply
    1,245,251,102.40x = 1,718,449,984.76 × 680,742,805.32
  4. Step 4: Simplify right side
    1,245,251,102.40x = 1,169,822,463,427,633,664
  5. Step 5: Solve for x
    x = 1,169,822,463,427,633,664/1,245,251,102.40
  6. Step 6: Final answer
    x = 939,426,964.71

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1.5x scale

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.