Home / 1,569,119,024.64-2,165,384,151.36-909,451,940.16

Finding the Fourth Proportional to 1,569,119,024.64, 2,165,384,151.36 and 909,451,940.16

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Solution

The fourth proportional to 1,569,119,024.64, 2,165,384,151.36 and 909,451,940.16 is: 1,255,043,617.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,119,024.64 : 2,165,384,151.36 = 909,451,940.16 : x
  2. Step 2: Convert to fraction form
    1,569,119,024.64/2,165,384,151.36 = 909,451,940.16/x
  3. Step 3: Cross multiply
    1,569,119,024.64x = 2,165,384,151.36 × 909,451,940.16
  4. Step 4: Simplify right side
    1,569,119,024.64x = 1,969,312,817,646,067,200
  5. Step 5: Solve for x
    x = 1,969,312,817,646,067,200/1,569,119,024.64
  6. Step 6: Final answer
    x = 1,255,043,617.93

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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.