Home / 818,126,642.16-1,128,982,147.47-460,886,097.06

Finding the Fourth Proportional to 818,126,642.16, 1,128,982,147.47 and 460,886,097.06

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Solution

The fourth proportional to 818,126,642.16, 1,128,982,147.47 and 460,886,097.06 is: 636,004,438.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,126,642.16 : 1,128,982,147.47 = 460,886,097.06 : x
  2. Step 2: Convert to fraction form
    818,126,642.16/1,128,982,147.47 = 460,886,097.06/x
  3. Step 3: Cross multiply
    818,126,642.16x = 1,128,982,147.47 × 460,886,097.06
  4. Step 4: Simplify right side
    818,126,642.16x = 520,332,175,597,865,664
  5. Step 5: Solve for x
    x = 520,332,175,597,865,664/818,126,642.16
  6. Step 6: Final answer
    x = 636,004,438.41

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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.