Home / 389,376,009.80-584,064,014.70-236,195,030.60

Finding the Fourth Proportional to 389,376,009.80, 584,064,014.70 and 236,195,030.60

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Solution

The fourth proportional to 389,376,009.80, 584,064,014.70 and 236,195,030.60 is: 354,292,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,376,009.80 : 584,064,014.70 = 236,195,030.60 : x
  2. Step 2: Convert to fraction form
    389,376,009.80/584,064,014.70 = 236,195,030.60/x
  3. Step 3: Cross multiply
    389,376,009.80x = 584,064,014.70 × 236,195,030.60
  4. Step 4: Simplify right side
    389,376,009.80x = 137,953,017,824,425,360
  5. Step 5: Solve for x
    x = 137,953,017,824,425,360/389,376,009.80
  6. Step 6: Final answer
    x = 354,292,545.90

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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.