Home / 2,118,542,729.28-2,923,543,154.88-1,226,507,069.76

Finding the Fourth Proportional to 2,118,542,729.28, 2,923,543,154.88 and 1,226,507,069.76

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Solution

The fourth proportional to 2,118,542,729.28, 2,923,543,154.88 and 1,226,507,069.76 is: 1,692,553,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,542,729.28 : 2,923,543,154.88 = 1,226,507,069.76 : x
  2. Step 2: Convert to fraction form
    2,118,542,729.28/2,923,543,154.88 = 1,226,507,069.76/x
  3. Step 3: Cross multiply
    2,118,542,729.28x = 2,923,543,154.88 × 1,226,507,069.76
  4. Step 4: Simplify right side
    2,118,542,729.28x = 3,585,746,348,208,774,656
  5. Step 5: Solve for x
    x = 3,585,746,348,208,774,656/2,118,542,729.28
  6. Step 6: Final answer
    x = 1,692,553,234.19

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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.