Home / 631,204,734.42-870,987,094.29-348,909,041.34

Finding the Fourth Proportional to 631,204,734.42, 870,987,094.29 and 348,909,041.34

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Solution

The fourth proportional to 631,204,734.42, 870,987,094.29 and 348,909,041.34 is: 481,452,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,204,734.42 : 870,987,094.29 = 348,909,041.34 : x
  2. Step 2: Convert to fraction form
    631,204,734.42/870,987,094.29 = 348,909,041.34/x
  3. Step 3: Cross multiply
    631,204,734.42x = 870,987,094.29 × 348,909,041.34
  4. Step 4: Simplify right side
    631,204,734.42x = 303,895,272,088,236,032
  5. Step 5: Solve for x
    x = 303,895,272,088,236,032/631,204,734.42
  6. Step 6: Final answer
    x = 481,452,776.76

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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.