Home / 2,199,178,051.60-3,298,767,077.40-646,626,314.20

Finding the Fourth Proportional to 2,199,178,051.60, 3,298,767,077.40 and 646,626,314.20

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Solution

The fourth proportional to 2,199,178,051.60, 3,298,767,077.40 and 646,626,314.20 is: 969,939,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,178,051.60 : 3,298,767,077.40 = 646,626,314.20 : x
  2. Step 2: Convert to fraction form
    2,199,178,051.60/3,298,767,077.40 = 646,626,314.20/x
  3. Step 3: Cross multiply
    2,199,178,051.60x = 3,298,767,077.40 × 646,626,314.20
  4. Step 4: Simplify right side
    2,199,178,051.60x = 2,133,069,596,663,468,288
  5. Step 5: Solve for x
    x = 2,133,069,596,663,468,288/2,199,178,051.60
  6. Step 6: Final answer
    x = 969,939,471.30

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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.