Home / 673,973,312.80-1,010,959,969.20-163,370,048.80

Finding the Fourth Proportional to 673,973,312.80, 1,010,959,969.20 and 163,370,048.80

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Solution

The fourth proportional to 673,973,312.80, 1,010,959,969.20 and 163,370,048.80 is: 245,055,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,973,312.80 : 1,010,959,969.20 = 163,370,048.80 : x
  2. Step 2: Convert to fraction form
    673,973,312.80/1,010,959,969.20 = 163,370,048.80/x
  3. Step 3: Cross multiply
    673,973,312.80x = 1,010,959,969.20 × 163,370,048.80
  4. Step 4: Simplify right side
    673,973,312.80x = 165,160,579,503,050,528
  5. Step 5: Solve for x
    x = 165,160,579,503,050,528/673,973,312.80
  6. Step 6: Final answer
    x = 245,055,073.20

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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.