Home / 2,840,538,242.21-3,920,063,834.81-1,587,475,061.15

Finding the Fourth Proportional to 2,840,538,242.21, 3,920,063,834.81 and 1,587,475,061.15

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Solution

The fourth proportional to 2,840,538,242.21, 3,920,063,834.81 and 1,587,475,061.15 is: 2,190,783,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,538,242.21 : 3,920,063,834.81 = 1,587,475,061.15 : x
  2. Step 2: Convert to fraction form
    2,840,538,242.21/3,920,063,834.81 = 1,587,475,061.15/x
  3. Step 3: Cross multiply
    2,840,538,242.21x = 3,920,063,834.81 × 1,587,475,061.15
  4. Step 4: Simplify right side
    2,840,538,242.21x = 6,223,003,575,861,276,672
  5. Step 5: Solve for x
    x = 6,223,003,575,861,276,672/2,840,538,242.21
  6. Step 6: Final answer
    x = 2,190,783,240.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.