Home / 2,158,699,363.60-2,979,006,118.12-1,168,624,780.24

Finding the Fourth Proportional to 2,158,699,363.60, 2,979,006,118.12 and 1,168,624,780.24

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Solution

The fourth proportional to 2,158,699,363.60, 2,979,006,118.12 and 1,168,624,780.24 is: 1,612,702,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,699,363.60 : 2,979,006,118.12 = 1,168,624,780.24 : x
  2. Step 2: Convert to fraction form
    2,158,699,363.60/2,979,006,118.12 = 1,168,624,780.24/x
  3. Step 3: Cross multiply
    2,158,699,363.60x = 2,979,006,118.12 × 1,168,624,780.24
  4. Step 4: Simplify right side
    2,158,699,363.60x = 3,481,340,370,121,600,512
  5. Step 5: Solve for x
    x = 3,481,340,370,121,600,512/2,158,699,363.60
  6. Step 6: Final answer
    x = 1,612,702,736.11

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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.