Home / 1,076,625,214.92-1,615,224,911.76-386,538,447.60

Finding the Fourth Proportional to 1,076,625,214.92, 1,615,224,911.76 and 386,538,447.60

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Solution

The fourth proportional to 1,076,625,214.92, 1,615,224,911.76 and 386,538,447.60 is: 579,910,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,625,214.92 : 1,615,224,911.76 = 386,538,447.60 : x
  2. Step 2: Convert to fraction form
    1,076,625,214.92/1,615,224,911.76 = 386,538,447.60/x
  3. Step 3: Cross multiply
    1,076,625,214.92x = 1,615,224,911.76 × 386,538,447.60
  4. Step 4: Simplify right side
    1,076,625,214.92x = 624,346,529,916,557,440
  5. Step 5: Solve for x
    x = 624,346,529,916,557,440/1,076,625,214.92
  6. Step 6: Final answer
    x = 579,910,744.49

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1.5x scale

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.