Home / 642,309,065.40-967,781,536.05-580,966,612.92

Finding the Fourth Proportional to 642,309,065.40, 967,781,536.05 and 580,966,612.92

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Solution

The fourth proportional to 642,309,065.40, 967,781,536.05 and 580,966,612.92 is: 875,355,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,309,065.40 : 967,781,536.05 = 580,966,612.92 : x
  2. Step 2: Convert to fraction form
    642,309,065.40/967,781,536.05 = 580,966,612.92/x
  3. Step 3: Cross multiply
    642,309,065.40x = 967,781,536.05 × 580,966,612.92
  4. Step 4: Simplify right side
    642,309,065.40x = 562,248,761,045,483,328
  5. Step 5: Solve for x
    x = 562,248,761,045,483,328/642,309,065.40
  6. Step 6: Final answer
    x = 875,355,481.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.