Home / 1,250,857,851.53-1,725,466,660.94-780,141,953.75

Finding the Fourth Proportional to 1,250,857,851.53, 1,725,466,660.94 and 780,141,953.75

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Solution

The fourth proportional to 1,250,857,851.53, 1,725,466,660.94 and 780,141,953.75 is: 1,076,148,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,857,851.53 : 1,725,466,660.94 = 780,141,953.75 : x
  2. Step 2: Convert to fraction form
    1,250,857,851.53/1,725,466,660.94 = 780,141,953.75/x
  3. Step 3: Cross multiply
    1,250,857,851.53x = 1,725,466,660.94 × 780,141,953.75
  4. Step 4: Simplify right side
    1,250,857,851.53x = 1,346,108,931,989,543,424
  5. Step 5: Solve for x
    x = 1,346,108,931,989,543,424/1,250,857,851.53
  6. Step 6: Final answer
    x = 1,076,148,605.01

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Double scale
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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.