Home / 1,250,857,933.16-1,725,466,773.60-780,142,035.36

Finding the Fourth Proportional to 1,250,857,933.16, 1,725,466,773.60 and 780,142,035.36

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Solution

The fourth proportional to 1,250,857,933.16, 1,725,466,773.60 and 780,142,035.36 is: 1,076,148,717.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,857,933.16 : 1,725,466,773.60 = 780,142,035.36 : x
  2. Step 2: Convert to fraction form
    1,250,857,933.16/1,725,466,773.60 = 780,142,035.36/x
  3. Step 3: Cross multiply
    1,250,857,933.16x = 1,725,466,773.60 × 780,142,035.36
  4. Step 4: Simplify right side
    1,250,857,933.16x = 1,346,109,160,702,356,224
  5. Step 5: Solve for x
    x = 1,346,109,160,702,356,224/1,250,857,933.16
  6. Step 6: Final answer
    x = 1,076,148,717.63

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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.