Home / 633,142,384.48-873,735,827.92-354,685,868.12

Finding the Fourth Proportional to 633,142,384.48, 873,735,827.92 and 354,685,868.12

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Solution

The fourth proportional to 633,142,384.48, 873,735,827.92 and 354,685,868.12 is: 489,466,126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,142,384.48 : 873,735,827.92 = 354,685,868.12 : x
  2. Step 2: Convert to fraction form
    633,142,384.48/873,735,827.92 = 354,685,868.12/x
  3. Step 3: Cross multiply
    633,142,384.48x = 873,735,827.92 × 354,685,868.12
  4. Step 4: Simplify right side
    633,142,384.48x = 309,901,750,633,352,128
  5. Step 5: Solve for x
    x = 309,901,750,633,352,128/633,142,384.48
  6. Step 6: Final answer
    x = 489,466,126.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.