Home / 456,778,783.66-630,338,411.36-258,536,021.96

Finding the Fourth Proportional to 456,778,783.66, 630,338,411.36 and 258,536,021.96

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Solution

The fourth proportional to 456,778,783.66, 630,338,411.36 and 258,536,021.96 is: 356,770,478.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,778,783.66 : 630,338,411.36 = 258,536,021.96 : x
  2. Step 2: Convert to fraction form
    456,778,783.66/630,338,411.36 = 258,536,021.96/x
  3. Step 3: Cross multiply
    456,778,783.66x = 630,338,411.36 × 258,536,021.96
  4. Step 4: Simplify right side
    456,778,783.66x = 162,965,185,361,600,480
  5. Step 5: Solve for x
    x = 162,965,185,361,600,480/456,778,783.66
  6. Step 6: Final answer
    x = 356,770,478.82

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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.