Home / 983,610,892.48-1,357,384,354.32-565,914,800.20

Finding the Fourth Proportional to 983,610,892.48, 1,357,384,354.32 and 565,914,800.20

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Solution

The fourth proportional to 983,610,892.48, 1,357,384,354.32 and 565,914,800.20 is: 780,963,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,610,892.48 : 1,357,384,354.32 = 565,914,800.20 : x
  2. Step 2: Convert to fraction form
    983,610,892.48/1,357,384,354.32 = 565,914,800.20/x
  3. Step 3: Cross multiply
    983,610,892.48x = 1,357,384,354.32 × 565,914,800.20
  4. Step 4: Simplify right side
    983,610,892.48x = 768,163,895,669,608,832
  5. Step 5: Solve for x
    x = 768,163,895,669,608,832/983,610,892.48
  6. Step 6: Final answer
    x = 780,963,185.28

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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.