Home / 836,156,641.76-1,254,153,917.88-253,896,005.64

Finding the Fourth Proportional to 836,156,641.76, 1,254,153,917.88 and 253,896,005.64

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Solution

The fourth proportional to 836,156,641.76, 1,254,153,917.88 and 253,896,005.64 is: 380,819,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,156,641.76 : 1,254,153,917.88 = 253,896,005.64 : x
  2. Step 2: Convert to fraction form
    836,156,641.76/1,254,153,917.88 = 253,896,005.64/x
  3. Step 3: Cross multiply
    836,156,641.76x = 1,254,153,917.88 × 253,896,005.64
  4. Step 4: Simplify right side
    836,156,641.76x = 318,424,670,207,488,576
  5. Step 5: Solve for x
    x = 318,424,670,207,488,576/836,156,641.76
  6. Step 6: Final answer
    x = 380,819,399.51

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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.