Home / 1,123,812,785.40-1,685,719,178.10-477,496,548.60

Finding the Fourth Proportional to 1,123,812,785.40, 1,685,719,178.10 and 477,496,548.60

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Solution

The fourth proportional to 1,123,812,785.40, 1,685,719,178.10 and 477,496,548.60 is: 716,244,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,812,785.40 : 1,685,719,178.10 = 477,496,548.60 : x
  2. Step 2: Convert to fraction form
    1,123,812,785.40/1,685,719,178.10 = 477,496,548.60/x
  3. Step 3: Cross multiply
    1,123,812,785.40x = 1,685,719,178.10 × 477,496,548.60
  4. Step 4: Simplify right side
    1,123,812,785.40x = 804,925,089,451,578,752
  5. Step 5: Solve for x
    x = 804,925,089,451,578,752/1,123,812,785.40
  6. Step 6: Final answer
    x = 716,244,822.90

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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.