Home / 314,935,527.20-472,403,290.80-306,432,471.20

Finding the Fourth Proportional to 314,935,527.20, 472,403,290.80 and 306,432,471.20

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Solution

The fourth proportional to 314,935,527.20, 472,403,290.80 and 306,432,471.20 is: 459,648,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,935,527.20 : 472,403,290.80 = 306,432,471.20 : x
  2. Step 2: Convert to fraction form
    314,935,527.20/472,403,290.80 = 306,432,471.20/x
  3. Step 3: Cross multiply
    314,935,527.20x = 472,403,290.80 × 306,432,471.20
  4. Step 4: Simplify right side
    314,935,527.20x = 144,759,707,802,856,224
  5. Step 5: Solve for x
    x = 144,759,707,802,856,224/314,935,527.20
  6. Step 6: Final answer
    x = 459,648,706.80

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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.