Home / 1,177,226,340.86-1,765,780,810.92-440,242,063.10

Finding the Fourth Proportional to 1,177,226,340.86, 1,765,780,810.92 and 440,242,063.10

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Solution

The fourth proportional to 1,177,226,340.86, 1,765,780,810.92 and 440,242,063.10 is: 660,341,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,226,340.86 : 1,765,780,810.92 = 440,242,063.10 : x
  2. Step 2: Convert to fraction form
    1,177,226,340.86/1,765,780,810.92 = 440,242,063.10/x
  3. Step 3: Cross multiply
    1,177,226,340.86x = 1,765,780,810.92 × 440,242,063.10
  4. Step 4: Simplify right side
    1,177,226,340.86x = 777,370,987,181,811,840
  5. Step 5: Solve for x
    x = 777,370,987,181,811,840/1,177,226,340.86
  6. Step 6: Final answer
    x = 660,341,142.74

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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.