Home / 558,335,039.22-770,508,056.10-307,462,760.22

Finding the Fourth Proportional to 558,335,039.22, 770,508,056.10 and 307,462,760.22

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Solution

The fourth proportional to 558,335,039.22, 770,508,056.10 and 307,462,760.22 is: 424,301,749.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,335,039.22 : 770,508,056.10 = 307,462,760.22 : x
  2. Step 2: Convert to fraction form
    558,335,039.22/770,508,056.10 = 307,462,760.22/x
  3. Step 3: Cross multiply
    558,335,039.22x = 770,508,056.10 × 307,462,760.22
  4. Step 4: Simplify right side
    558,335,039.22x = 236,902,533,700,252,640
  5. Step 5: Solve for x
    x = 236,902,533,700,252,640/558,335,039.22
  6. Step 6: Final answer
    x = 424,301,749.06

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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.