Home / 389,704,299.90-537,791,889.16-233,071,381.76

Finding the Fourth Proportional to 389,704,299.90, 537,791,889.16 and 233,071,381.76

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Solution

The fourth proportional to 389,704,299.90, 537,791,889.16 and 233,071,381.76 is: 321,638,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,704,299.90 : 537,791,889.16 = 233,071,381.76 : x
  2. Step 2: Convert to fraction form
    389,704,299.90/537,791,889.16 = 233,071,381.76/x
  3. Step 3: Cross multiply
    389,704,299.90x = 537,791,889.16 × 233,071,381.76
  4. Step 4: Simplify right side
    389,704,299.90x = 125,343,898,705,841,952
  5. Step 5: Solve for x
    x = 125,343,898,705,841,952/389,704,299.90
  6. Step 6: Final answer
    x = 321,638,480.09

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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.