Home / 918,384,206.18-1,377,574,537.39-228,292,124.45

Finding the Fourth Proportional to 918,384,206.18, 1,377,574,537.39 and 228,292,124.45

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Solution

The fourth proportional to 918,384,206.18, 1,377,574,537.39 and 228,292,124.45 is: 342,437,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,384,206.18 : 1,377,574,537.39 = 228,292,124.45 : x
  2. Step 2: Convert to fraction form
    918,384,206.18/1,377,574,537.39 = 228,292,124.45/x
  3. Step 3: Cross multiply
    918,384,206.18x = 1,377,574,537.39 × 228,292,124.45
  4. Step 4: Simplify right side
    918,384,206.18x = 314,489,417,721,530,432
  5. Step 5: Solve for x
    x = 314,489,417,721,530,432/918,384,206.18
  6. Step 6: Final answer
    x = 342,437,746.21

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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.