Home / 784,945,709.66-1,083,176,272.02-432,501,977.27

Finding the Fourth Proportional to 784,945,709.66, 1,083,176,272.02 and 432,501,977.27

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Solution

The fourth proportional to 784,945,709.66, 1,083,176,272.02 and 432,501,977.27 is: 596,825,835.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,945,709.66 : 1,083,176,272.02 = 432,501,977.27 : x
  2. Step 2: Convert to fraction form
    784,945,709.66/1,083,176,272.02 = 432,501,977.27/x
  3. Step 3: Cross multiply
    784,945,709.66x = 1,083,176,272.02 × 432,501,977.27
  4. Step 4: Simplify right side
    784,945,709.66x = 468,475,879,375,181,440
  5. Step 5: Solve for x
    x = 468,475,879,375,181,440/784,945,709.66
  6. Step 6: Final answer
    x = 596,825,835.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.