Home / 1,116,123,079.20-1,674,184,618.80-873,992,954.40

Finding the Fourth Proportional to 1,116,123,079.20, 1,674,184,618.80 and 873,992,954.40

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Solution

The fourth proportional to 1,116,123,079.20, 1,674,184,618.80 and 873,992,954.40 is: 1,310,989,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,123,079.20 : 1,674,184,618.80 = 873,992,954.40 : x
  2. Step 2: Convert to fraction form
    1,116,123,079.20/1,674,184,618.80 = 873,992,954.40/x
  3. Step 3: Cross multiply
    1,116,123,079.20x = 1,674,184,618.80 × 873,992,954.40
  4. Step 4: Simplify right side
    1,116,123,079.20x = 1,463,225,561,196,049,664
  5. Step 5: Solve for x
    x = 1,463,225,561,196,049,664/1,116,123,079.20
  6. Step 6: Final answer
    x = 1,310,989,431.60

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1.5x scale

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.