Home / 515,002,289.22-710,721,848.21-295,028,230.50

Finding the Fourth Proportional to 515,002,289.22, 710,721,848.21 and 295,028,230.50

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Solution

The fourth proportional to 515,002,289.22, 710,721,848.21 and 295,028,230.50 is: 407,149,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,002,289.22 : 710,721,848.21 = 295,028,230.50 : x
  2. Step 2: Convert to fraction form
    515,002,289.22/710,721,848.21 = 295,028,230.50/x
  3. Step 3: Cross multiply
    515,002,289.22x = 710,721,848.21 × 295,028,230.50
  4. Step 4: Simplify right side
    515,002,289.22x = 209,683,009,253,610,752
  5. Step 5: Solve for x
    x = 209,683,009,253,610,752/515,002,289.22
  6. Step 6: Final answer
    x = 407,149,664.46

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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.