Home / 2,520,635,430.70-3,780,901,225.07-840,042,963.75

Finding the Fourth Proportional to 2,520,635,430.70, 3,780,901,225.07 and 840,042,963.75

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Solution

The fourth proportional to 2,520,635,430.70, 3,780,901,225.07 and 840,042,963.75 is: 1,260,047,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,635,430.70 : 3,780,901,225.07 = 840,042,963.75 : x
  2. Step 2: Convert to fraction form
    2,520,635,430.70/3,780,901,225.07 = 840,042,963.75/x
  3. Step 3: Cross multiply
    2,520,635,430.70x = 3,780,901,225.07 × 840,042,963.75
  4. Step 4: Simplify right side
    2,520,635,430.70x = 3,176,119,470,753,808,896
  5. Step 5: Solve for x
    x = 3,176,119,470,753,808,896/2,520,635,430.70
  6. Step 6: Final answer
    x = 1,260,047,142.11

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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.