Home / 1,390,310,177.36-2,087,287,880.76-932,297,788.88

Finding the Fourth Proportional to 1,390,310,177.36, 2,087,287,880.76 and 932,297,788.88

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Solution

The fourth proportional to 1,390,310,177.36, 2,087,287,880.76 and 932,297,788.88 is: 1,399,668,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,310,177.36 : 2,087,287,880.76 = 932,297,788.88 : x
  2. Step 2: Convert to fraction form
    1,390,310,177.36/2,087,287,880.76 = 932,297,788.88/x
  3. Step 3: Cross multiply
    1,390,310,177.36x = 2,087,287,880.76 × 932,297,788.88
  4. Step 4: Simplify right side
    1,390,310,177.36x = 1,945,973,875,988,569,088
  5. Step 5: Solve for x
    x = 1,945,973,875,988,569,088/1,390,310,177.36
  6. Step 6: Final answer
    x = 1,399,668,870.79

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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.