Home / 743,698,496.61-1,115,683,922.12-306,760,818.69

Finding the Fourth Proportional to 743,698,496.61, 1,115,683,922.12 and 306,760,818.69

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Solution

The fourth proportional to 743,698,496.61, 1,115,683,922.12 and 306,760,818.69 is: 460,197,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,698,496.61 : 1,115,683,922.12 = 306,760,818.69 : x
  2. Step 2: Convert to fraction form
    743,698,496.61/1,115,683,922.12 = 306,760,818.69/x
  3. Step 3: Cross multiply
    743,698,496.61x = 1,115,683,922.12 × 306,760,818.69
  4. Step 4: Simplify right side
    743,698,496.61x = 342,248,113,347,267,584
  5. Step 5: Solve for x
    x = 342,248,113,347,267,584/743,698,496.61
  6. Step 6: Final answer
    x = 460,197,398.42

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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.