Home / 472,393,386.70-708,590,080.05-264,918,820.30

Finding the Fourth Proportional to 472,393,386.70, 708,590,080.05 and 264,918,820.30

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Solution

The fourth proportional to 472,393,386.70, 708,590,080.05 and 264,918,820.30 is: 397,378,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,386.70 : 708,590,080.05 = 264,918,820.30 : x
  2. Step 2: Convert to fraction form
    472,393,386.70/708,590,080.05 = 264,918,820.30/x
  3. Step 3: Cross multiply
    472,393,386.70x = 708,590,080.05 × 264,918,820.30
  4. Step 4: Simplify right side
    472,393,386.70x = 187,718,848,083,128,576
  5. Step 5: Solve for x
    x = 187,718,848,083,128,576/472,393,386.70
  6. Step 6: Final answer
    x = 397,378,230.45

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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.