Home / 1,987,081,211.88-2,742,190,207.17-1,095,039,944.76

Finding the Fourth Proportional to 1,987,081,211.88, 2,742,190,207.17 and 1,095,039,944.76

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Solution

The fourth proportional to 1,987,081,211.88, 2,742,190,207.17 and 1,095,039,944.76 is: 1,511,165,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,081,211.88 : 2,742,190,207.17 = 1,095,039,944.76 : x
  2. Step 2: Convert to fraction form
    1,987,081,211.88/2,742,190,207.17 = 1,095,039,944.76/x
  3. Step 3: Cross multiply
    1,987,081,211.88x = 2,742,190,207.17 × 1,095,039,944.76
  4. Step 4: Simplify right side
    1,987,081,211.88x = 3,002,807,812,980,849,664
  5. Step 5: Solve for x
    x = 3,002,807,812,980,849,664/1,987,081,211.88
  6. Step 6: Final answer
    x = 1,511,165,117.47

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Double scale
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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.