Home / 2,616,881,915.25-3,925,357,063.63-870,084,651.86

Finding the Fourth Proportional to 2,616,881,915.25, 3,925,357,063.63 and 870,084,651.86

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Solution

The fourth proportional to 2,616,881,915.25, 3,925,357,063.63 and 870,084,651.86 is: 1,305,138,345.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,881,915.25 : 3,925,357,063.63 = 870,084,651.86 : x
  2. Step 2: Convert to fraction form
    2,616,881,915.25/3,925,357,063.63 = 870,084,651.86/x
  3. Step 3: Cross multiply
    2,616,881,915.25x = 3,925,357,063.63 × 870,084,651.86
  4. Step 4: Simplify right side
    2,616,881,915.25x = 3,415,392,934,127,618,560
  5. Step 5: Solve for x
    x = 3,415,392,934,127,618,560/2,616,881,915.25
  6. Step 6: Final answer
    x = 1,305,138,345.84

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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.