Home / 869,891,435.20-1,304,837,152.80-836,448,414.40

Finding the Fourth Proportional to 869,891,435.20, 1,304,837,152.80 and 836,448,414.40

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Solution

The fourth proportional to 869,891,435.20, 1,304,837,152.80 and 836,448,414.40 is: 1,254,672,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,891,435.20 : 1,304,837,152.80 = 836,448,414.40 : x
  2. Step 2: Convert to fraction form
    869,891,435.20/1,304,837,152.80 = 836,448,414.40/x
  3. Step 3: Cross multiply
    869,891,435.20x = 1,304,837,152.80 × 836,448,414.40
  4. Step 4: Simplify right side
    869,891,435.20x = 1,091,428,967,509,770,496
  5. Step 5: Solve for x
    x = 1,091,428,967,509,770,496/869,891,435.20
  6. Step 6: Final answer
    x = 1,254,672,621.60

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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.