Home / 926,434,744.80-1,389,652,117.20-313,010,113.20

Finding the Fourth Proportional to 926,434,744.80, 1,389,652,117.20 and 313,010,113.20

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Solution

The fourth proportional to 926,434,744.80, 1,389,652,117.20 and 313,010,113.20 is: 469,515,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,434,744.80 : 1,389,652,117.20 = 313,010,113.20 : x
  2. Step 2: Convert to fraction form
    926,434,744.80/1,389,652,117.20 = 313,010,113.20/x
  3. Step 3: Cross multiply
    926,434,744.80x = 1,389,652,117.20 × 313,010,113.20
  4. Step 4: Simplify right side
    926,434,744.80x = 434,975,166,513,391,680
  5. Step 5: Solve for x
    x = 434,975,166,513,391,680/926,434,744.80
  6. Step 6: Final answer
    x = 469,515,169.80

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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.