Home / 617,851,826.10-926,777,739.15-326,606,411.70

Finding the Fourth Proportional to 617,851,826.10, 926,777,739.15 and 326,606,411.70

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Solution

The fourth proportional to 617,851,826.10, 926,777,739.15 and 326,606,411.70 is: 489,909,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,851,826.10 : 926,777,739.15 = 326,606,411.70 : x
  2. Step 2: Convert to fraction form
    617,851,826.10/926,777,739.15 = 326,606,411.70/x
  3. Step 3: Cross multiply
    617,851,826.10x = 926,777,739.15 × 326,606,411.70
  4. Step 4: Simplify right side
    617,851,826.10x = 302,691,551,827,220,096
  5. Step 5: Solve for x
    x = 302,691,551,827,220,096/617,851,826.10
  6. Step 6: Final answer
    x = 489,909,617.55

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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.