Home / 851,724,052.32-1,277,688,070.44-261,436,972.72

Finding the Fourth Proportional to 851,724,052.32, 1,277,688,070.44 and 261,436,972.72

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Solution

The fourth proportional to 851,724,052.32, 1,277,688,070.44 and 261,436,972.72 is: 392,186,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,724,052.32 : 1,277,688,070.44 = 261,436,972.72 : x
  2. Step 2: Convert to fraction form
    851,724,052.32/1,277,688,070.44 = 261,436,972.72/x
  3. Step 3: Cross multiply
    851,724,052.32x = 1,277,688,070.44 × 261,436,972.72
  4. Step 4: Simplify right side
    851,724,052.32x = 334,034,901,216,291,712
  5. Step 5: Solve for x
    x = 334,034,901,216,291,712/851,724,052.32
  6. Step 6: Final answer
    x = 392,186,765.55

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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.