Home / 1,993,004,637.40-2,989,491,209.70-519,141,597.40

Finding the Fourth Proportional to 1,993,004,637.40, 2,989,491,209.70 and 519,141,597.40

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Solution

The fourth proportional to 1,993,004,637.40, 2,989,491,209.70 and 519,141,597.40 is: 778,708,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,004,637.40 : 2,989,491,209.70 = 519,141,597.40 : x
  2. Step 2: Convert to fraction form
    1,993,004,637.40/2,989,491,209.70 = 519,141,597.40/x
  3. Step 3: Cross multiply
    1,993,004,637.40x = 2,989,491,209.70 × 519,141,597.40
  4. Step 4: Simplify right side
    1,993,004,637.40x = 1,551,969,242,016,916,224
  5. Step 5: Solve for x
    x = 1,551,969,242,016,916,224/1,993,004,637.40
  6. Step 6: Final answer
    x = 778,708,294.45

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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.