Home / 663,896,271.20-995,844,406.80-618,546,639.20

Finding the Fourth Proportional to 663,896,271.20, 995,844,406.80 and 618,546,639.20

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Solution

The fourth proportional to 663,896,271.20, 995,844,406.80 and 618,546,639.20 is: 927,819,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,896,271.20 : 995,844,406.80 = 618,546,639.20 : x
  2. Step 2: Convert to fraction form
    663,896,271.20/995,844,406.80 = 618,546,639.20/x
  3. Step 3: Cross multiply
    663,896,271.20x = 995,844,406.80 × 618,546,639.20
  4. Step 4: Simplify right side
    663,896,271.20x = 615,976,210,992,257,664
  5. Step 5: Solve for x
    x = 615,976,210,992,257,664/663,896,271.20
  6. Step 6: Final answer
    x = 927,819,958.80

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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.