Home / 651,840,810.40-977,761,215.60-307,467,042.40

Finding the Fourth Proportional to 651,840,810.40, 977,761,215.60 and 307,467,042.40

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Solution

The fourth proportional to 651,840,810.40, 977,761,215.60 and 307,467,042.40 is: 461,200,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,840,810.40 : 977,761,215.60 = 307,467,042.40 : x
  2. Step 2: Convert to fraction form
    651,840,810.40/977,761,215.60 = 307,467,042.40/x
  3. Step 3: Cross multiply
    651,840,810.40x = 977,761,215.60 × 307,467,042.40
  4. Step 4: Simplify right side
    651,840,810.40x = 300,629,349,133,960,704
  5. Step 5: Solve for x
    x = 300,629,349,133,960,704/651,840,810.40
  6. Step 6: Final answer
    x = 461,200,563.60

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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.