Home / 495,249,486.72-742,890,754.32-222,621,060.48

Finding the Fourth Proportional to 495,249,486.72, 742,890,754.32 and 222,621,060.48

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Solution

The fourth proportional to 495,249,486.72, 742,890,754.32 and 222,621,060.48 is: 333,939,018.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,249,486.72 : 742,890,754.32 = 222,621,060.48 : x
  2. Step 2: Convert to fraction form
    495,249,486.72/742,890,754.32 = 222,621,060.48/x
  3. Step 3: Cross multiply
    495,249,486.72x = 742,890,754.32 × 222,621,060.48
  4. Step 4: Simplify right side
    495,249,486.72x = 165,383,127,547,505,536
  5. Step 5: Solve for x
    x = 165,383,127,547,505,536/495,249,486.72
  6. Step 6: Final answer
    x = 333,939,018.58

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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.