Home / 1,320,967,475.40-1,979,750,601.90-1,012,731,695.40

Finding the Fourth Proportional to 1,320,967,475.40, 1,979,750,601.90 and 1,012,731,695.40

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Solution

The fourth proportional to 1,320,967,475.40, 1,979,750,601.90 and 1,012,731,695.40 is: 1,517,793,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,967,475.40 : 1,979,750,601.90 = 1,012,731,695.40 : x
  2. Step 2: Convert to fraction form
    1,320,967,475.40/1,979,750,601.90 = 1,012,731,695.40/x
  3. Step 3: Cross multiply
    1,320,967,475.40x = 1,979,750,601.90 × 1,012,731,695.40
  4. Step 4: Simplify right side
    1,320,967,475.40x = 2,004,956,183,531,357,440
  5. Step 5: Solve for x
    x = 2,004,956,183,531,357,440/1,320,967,475.40
  6. Step 6: Final answer
    x = 1,517,793,754.10

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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.