Home / 1,128,076,110.48-1,688,155,422.28-906,202,256.80

Finding the Fourth Proportional to 1,128,076,110.48, 1,688,155,422.28 and 906,202,256.80

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Solution

The fourth proportional to 1,128,076,110.48, 1,688,155,422.28 and 906,202,256.80 is: 1,356,123,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,076,110.48 : 1,688,155,422.28 = 906,202,256.80 : x
  2. Step 2: Convert to fraction form
    1,128,076,110.48/1,688,155,422.28 = 906,202,256.80/x
  3. Step 3: Cross multiply
    1,128,076,110.48x = 1,688,155,422.28 × 906,202,256.80
  4. Step 4: Simplify right side
    1,128,076,110.48x = 1,529,810,253,499,292,928
  5. Step 5: Solve for x
    x = 1,529,810,253,499,292,928/1,128,076,110.48
  6. Step 6: Final answer
    x = 1,356,123,260.91

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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.