Home / 389,376,025.80-584,064,038.70-236,195,046.60

Finding the Fourth Proportional to 389,376,025.80, 584,064,038.70 and 236,195,046.60

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Solution

The fourth proportional to 389,376,025.80, 584,064,038.70 and 236,195,046.60 is: 354,292,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,376,025.80 : 584,064,038.70 = 236,195,046.60 : x
  2. Step 2: Convert to fraction form
    389,376,025.80/584,064,038.70 = 236,195,046.60/x
  3. Step 3: Cross multiply
    389,376,025.80x = 584,064,038.70 × 236,195,046.60
  4. Step 4: Simplify right side
    389,376,025.80x = 137,953,032,838,130,704
  5. Step 5: Solve for x
    x = 137,953,032,838,130,704/389,376,025.80
  6. Step 6: Final answer
    x = 354,292,569.90

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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.