Home / 2,857,032,120.80-4,285,563,315.28-891,720,612.56

Finding the Fourth Proportional to 2,857,032,120.80, 4,285,563,315.28 and 891,720,612.56

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Solution

The fourth proportional to 2,857,032,120.80, 4,285,563,315.28 and 891,720,612.56 is: 1,337,585,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,032,120.80 : 4,285,563,315.28 = 891,720,612.56 : x
  2. Step 2: Convert to fraction form
    2,857,032,120.80/4,285,563,315.28 = 891,720,612.56/x
  3. Step 3: Cross multiply
    2,857,032,120.80x = 4,285,563,315.28 × 891,720,612.56
  4. Step 4: Simplify right side
    2,857,032,120.80x = 3,821,525,144,666,145,792
  5. Step 5: Solve for x
    x = 3,821,525,144,666,145,792/2,857,032,120.80
  6. Step 6: Final answer
    x = 1,337,585,642.40

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1.5x scale

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.