Home / 673,973,280.80-1,010,959,921.20-163,370,016.80

Finding the Fourth Proportional to 673,973,280.80, 1,010,959,921.20 and 163,370,016.80

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Solution

The fourth proportional to 673,973,280.80, 1,010,959,921.20 and 163,370,016.80 is: 245,055,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,973,280.80 : 1,010,959,921.20 = 163,370,016.80 : x
  2. Step 2: Convert to fraction form
    673,973,280.80/1,010,959,921.20 = 163,370,016.80/x
  3. Step 3: Cross multiply
    673,973,280.80x = 1,010,959,921.20 × 163,370,016.80
  4. Step 4: Simplify right side
    673,973,280.80x = 165,160,539,310,570,688
  5. Step 5: Solve for x
    x = 165,160,539,310,570,688/673,973,280.80
  6. Step 6: Final answer
    x = 245,055,025.20

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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.