Home / 818,126,588.80-1,128,982,073.82-460,886,043.70

Finding the Fourth Proportional to 818,126,588.80, 1,128,982,073.82 and 460,886,043.70

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Solution

The fourth proportional to 818,126,588.80, 1,128,982,073.82 and 460,886,043.70 is: 636,004,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,126,588.80 : 1,128,982,073.82 = 460,886,043.70 : x
  2. Step 2: Convert to fraction form
    818,126,588.80/1,128,982,073.82 = 460,886,043.70/x
  3. Step 3: Cross multiply
    818,126,588.80x = 1,128,982,073.82 × 460,886,043.70
  4. Step 4: Simplify right side
    818,126,588.80x = 520,332,081,411,121,088
  5. Step 5: Solve for x
    x = 520,332,081,411,121,088/818,126,588.80
  6. Step 6: Final answer
    x = 636,004,364.77

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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.