Home / 1,074,564,642.20-1,609,159,577.70-859,573,794.20

Finding the Fourth Proportional to 1,074,564,642.20, 1,609,159,577.70 and 859,573,794.20

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Solution

The fourth proportional to 1,074,564,642.20, 1,609,159,577.70 and 859,573,794.20 is: 1,287,210,977.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,564,642.20 : 1,609,159,577.70 = 859,573,794.20 : x
  2. Step 2: Convert to fraction form
    1,074,564,642.20/1,609,159,577.70 = 859,573,794.20/x
  3. Step 3: Cross multiply
    1,074,564,642.20x = 1,609,159,577.70 × 859,573,794.20
  4. Step 4: Simplify right side
    1,074,564,642.20x = 1,383,191,403,676,858,880
  5. Step 5: Solve for x
    x = 1,383,191,403,676,858,880/1,074,564,642.20
  6. Step 6: Final answer
    x = 1,287,210,977.69

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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.