Home / 434,558,257.15-651,837,385.73-261,946,220.35

Finding the Fourth Proportional to 434,558,257.15, 651,837,385.73 and 261,946,220.35

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Solution

The fourth proportional to 434,558,257.15, 651,837,385.73 and 261,946,220.35 is: 392,919,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,558,257.15 : 651,837,385.73 = 261,946,220.35 : x
  2. Step 2: Convert to fraction form
    434,558,257.15/651,837,385.73 = 261,946,220.35/x
  3. Step 3: Cross multiply
    434,558,257.15x = 651,837,385.73 × 261,946,220.35
  4. Step 4: Simplify right side
    434,558,257.15x = 170,746,339,474,798,528
  5. Step 5: Solve for x
    x = 170,746,339,474,798,528/434,558,257.15
  6. Step 6: Final answer
    x = 392,919,330.53

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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.