Home / 818,126,634.65-1,128,982,137.14-460,886,089.55

Finding the Fourth Proportional to 818,126,634.65, 1,128,982,137.14 and 460,886,089.55

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Solution

The fourth proportional to 818,126,634.65, 1,128,982,137.14 and 460,886,089.55 is: 636,004,428.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,126,634.65 : 1,128,982,137.14 = 460,886,089.55 : x
  2. Step 2: Convert to fraction form
    818,126,634.65/1,128,982,137.14 = 460,886,089.55/x
  3. Step 3: Cross multiply
    818,126,634.65x = 1,128,982,137.14 × 460,886,089.55
  4. Step 4: Simplify right side
    818,126,634.65x = 520,332,162,353,763,712
  5. Step 5: Solve for x
    x = 520,332,162,353,763,712/818,126,634.65
  6. Step 6: Final answer
    x = 636,004,428.07

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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.