Home / 819,963,273.24-1,130,522,891.94-684,368,168.40

Finding the Fourth Proportional to 819,963,273.24, 1,130,522,891.94 and 684,368,168.40

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Solution

The fourth proportional to 819,963,273.24, 1,130,522,891.94 and 684,368,168.40 is: 943,571,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,963,273.24 : 1,130,522,891.94 = 684,368,168.40 : x
  2. Step 2: Convert to fraction form
    819,963,273.24/1,130,522,891.94 = 684,368,168.40/x
  3. Step 3: Cross multiply
    819,963,273.24x = 1,130,522,891.94 × 684,368,168.40
  4. Step 4: Simplify right side
    819,963,273.24x = 773,693,880,891,248,896
  5. Step 5: Solve for x
    x = 773,693,880,891,248,896/819,963,273.24
  6. Step 6: Final answer
    x = 943,571,384.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.