Home / 771,022,357.10-1,156,643,350.35-239,279,722.81

Finding the Fourth Proportional to 771,022,357.10, 1,156,643,350.35 and 239,279,722.81

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Solution

The fourth proportional to 771,022,357.10, 1,156,643,350.35 and 239,279,722.81 is: 358,953,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,022,357.10 : 1,156,643,350.35 = 239,279,722.81 : x
  2. Step 2: Convert to fraction form
    771,022,357.10/1,156,643,350.35 = 239,279,722.81/x
  3. Step 3: Cross multiply
    771,022,357.10x = 1,156,643,350.35 × 239,279,722.81
  4. Step 4: Simplify right side
    771,022,357.10x = 276,761,300,261,777,696
  5. Step 5: Solve for x
    x = 276,761,300,261,777,696/771,022,357.10
  6. Step 6: Final answer
    x = 358,953,664.20

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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.