Home / 402,375,264.76-603,562,943.90-126,048,012.08

Finding the Fourth Proportional to 402,375,264.76, 603,562,943.90 and 126,048,012.08

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Solution

The fourth proportional to 402,375,264.76, 603,562,943.90 and 126,048,012.08 is: 189,072,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,375,264.76 : 603,562,943.90 = 126,048,012.08 : x
  2. Step 2: Convert to fraction form
    402,375,264.76/603,562,943.90 = 126,048,012.08/x
  3. Step 3: Cross multiply
    402,375,264.76x = 603,562,943.90 × 126,048,012.08
  4. Step 4: Simplify right side
    402,375,264.76x = 76,077,909,243,747,552
  5. Step 5: Solve for x
    x = 76,077,909,243,747,552/402,375,264.76
  6. Step 6: Final answer
    x = 189,072,032.77

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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.