Home / 434,558,257.90-651,837,386.85-261,946,221.10

Finding the Fourth Proportional to 434,558,257.90, 651,837,386.85 and 261,946,221.10

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Solution

The fourth proportional to 434,558,257.90, 651,837,386.85 and 261,946,221.10 is: 392,919,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,558,257.90 : 651,837,386.85 = 261,946,221.10 : x
  2. Step 2: Convert to fraction form
    434,558,257.90/651,837,386.85 = 261,946,221.10/x
  3. Step 3: Cross multiply
    434,558,257.90x = 651,837,386.85 × 261,946,221.10
  4. Step 4: Simplify right side
    434,558,257.90x = 170,746,340,257,056,320
  5. Step 5: Solve for x
    x = 170,746,340,257,056,320/434,558,257.90
  6. Step 6: Final answer
    x = 392,919,331.65

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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.