Home / 631,854,760.51-947,911,409.01-217,277,739.07

Finding the Fourth Proportional to 631,854,760.51, 947,911,409.01 and 217,277,739.07

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Solution

The fourth proportional to 631,854,760.51, 947,911,409.01 and 217,277,739.07 is: 325,961,060.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,854,760.51 : 947,911,409.01 = 217,277,739.07 : x
  2. Step 2: Convert to fraction form
    631,854,760.51/947,911,409.01 = 217,277,739.07/x
  3. Step 3: Cross multiply
    631,854,760.51x = 947,911,409.01 × 217,277,739.07
  4. Step 4: Simplify right side
    631,854,760.51x = 205,960,047,791,935,648
  5. Step 5: Solve for x
    x = 205,960,047,791,935,648/631,854,760.51
  6. Step 6: Final answer
    x = 325,961,060.46

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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.