Home / 877,434,033.91-1,316,137,764.94-213,454,305.72

Finding the Fourth Proportional to 877,434,033.91, 1,316,137,764.94 and 213,454,305.72

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Solution

The fourth proportional to 877,434,033.91, 1,316,137,764.94 and 213,454,305.72 is: 320,178,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,434,033.91 : 1,316,137,764.94 = 213,454,305.72 : x
  2. Step 2: Convert to fraction form
    877,434,033.91/1,316,137,764.94 = 213,454,305.72/x
  3. Step 3: Cross multiply
    877,434,033.91x = 1,316,137,764.94 × 213,454,305.72
  4. Step 4: Simplify right side
    877,434,033.91x = 280,935,272,847,140,256
  5. Step 5: Solve for x
    x = 280,935,272,847,140,256/877,434,033.91
  6. Step 6: Final answer
    x = 320,178,226.50

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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.