Home / 542,284,975.50-748,435,068.90-330,714,549.06

Finding the Fourth Proportional to 542,284,975.50, 748,435,068.90 and 330,714,549.06

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Solution

The fourth proportional to 542,284,975.50, 748,435,068.90 and 330,714,549.06 is: 456,435,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,284,975.50 : 748,435,068.90 = 330,714,549.06 : x
  2. Step 2: Convert to fraction form
    542,284,975.50/748,435,068.90 = 330,714,549.06/x
  3. Step 3: Cross multiply
    542,284,975.50x = 748,435,068.90 × 330,714,549.06
  4. Step 4: Simplify right side
    542,284,975.50x = 247,518,366,311,953,536
  5. Step 5: Solve for x
    x = 247,518,366,311,953,536/542,284,975.50
  6. Step 6: Final answer
    x = 456,435,965.40

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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.