Home / 2,199,178,052.10-3,298,767,078.15-646,626,314.70

Finding the Fourth Proportional to 2,199,178,052.10, 3,298,767,078.15 and 646,626,314.70

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Solution

The fourth proportional to 2,199,178,052.10, 3,298,767,078.15 and 646,626,314.70 is: 969,939,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,178,052.10 : 3,298,767,078.15 = 646,626,314.70 : x
  2. Step 2: Convert to fraction form
    2,199,178,052.10/3,298,767,078.15 = 646,626,314.70/x
  3. Step 3: Cross multiply
    2,199,178,052.10x = 3,298,767,078.15 × 646,626,314.70
  4. Step 4: Simplify right side
    2,199,178,052.10x = 2,133,069,598,797,821,696
  5. Step 5: Solve for x
    x = 2,133,069,598,797,821,696/2,199,178,052.10
  6. Step 6: Final answer
    x = 969,939,472.05

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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.