Home / 1,133,785,711.50-1,700,678,589.12-272,142,703.50

Finding the Fourth Proportional to 1,133,785,711.50, 1,700,678,589.12 and 272,142,703.50

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Solution

The fourth proportional to 1,133,785,711.50, 1,700,678,589.12 and 272,142,703.50 is: 408,214,060.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,785,711.50 : 1,700,678,589.12 = 272,142,703.50 : x
  2. Step 2: Convert to fraction form
    1,133,785,711.50/1,700,678,589.12 = 272,142,703.50/x
  3. Step 3: Cross multiply
    1,133,785,711.50x = 1,700,678,589.12 × 272,142,703.50
  4. Step 4: Simplify right side
    1,133,785,711.50x = 462,827,269,027,682,432
  5. Step 5: Solve for x
    x = 462,827,269,027,682,432/1,133,785,711.50
  6. Step 6: Final answer
    x = 408,214,060.50

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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.