Home / 1,785,439,350.72-2,678,109,518.88-475,352,642.88

Finding the Fourth Proportional to 1,785,439,350.72, 2,678,109,518.88 and 475,352,642.88

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Solution

The fourth proportional to 1,785,439,350.72, 2,678,109,518.88 and 475,352,642.88 is: 713,015,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,439,350.72 : 2,678,109,518.88 = 475,352,642.88 : x
  2. Step 2: Convert to fraction form
    1,785,439,350.72/2,678,109,518.88 = 475,352,642.88/x
  3. Step 3: Cross multiply
    1,785,439,350.72x = 2,678,109,518.88 × 475,352,642.88
  4. Step 4: Simplify right side
    1,785,439,350.72x = 1,273,046,437,721,693,184
  5. Step 5: Solve for x
    x = 1,273,046,437,721,693,184/1,785,439,350.72
  6. Step 6: Final answer
    x = 713,015,783.60

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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.