Home / 478,863,314.33-717,950,239.12-294,249,365.30

Finding the Fourth Proportional to 478,863,314.33, 717,950,239.12 and 294,249,365.30

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Solution

The fourth proportional to 478,863,314.33, 717,950,239.12 and 294,249,365.30 is: 441,162,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,863,314.33 : 717,950,239.12 = 294,249,365.30 : x
  2. Step 2: Convert to fraction form
    478,863,314.33/717,950,239.12 = 294,249,365.30/x
  3. Step 3: Cross multiply
    478,863,314.33x = 717,950,239.12 × 294,249,365.30
  4. Step 4: Simplify right side
    478,863,314.33x = 211,256,402,172,982,240
  5. Step 5: Solve for x
    x = 211,256,402,172,982,240/478,863,314.33
  6. Step 6: Final answer
    x = 441,162,218.64

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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.