Home / 562,035,139.83-843,536,985.26-389,633,022.23

Finding the Fourth Proportional to 562,035,139.83, 843,536,985.26 and 389,633,022.23

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Solution

The fourth proportional to 562,035,139.83, 843,536,985.26 and 389,633,022.23 is: 584,785,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,035,139.83 : 843,536,985.26 = 389,633,022.23 : x
  2. Step 2: Convert to fraction form
    562,035,139.83/843,536,985.26 = 389,633,022.23/x
  3. Step 3: Cross multiply
    562,035,139.83x = 843,536,985.26 × 389,633,022.23
  4. Step 4: Simplify right side
    562,035,139.83x = 328,669,864,923,470,912
  5. Step 5: Solve for x
    x = 328,669,864,923,470,912/562,035,139.83
  6. Step 6: Final answer
    x = 584,785,259.20

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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.