Home / 1,120,975,373.80-1,681,623,764.70-344,686,234.60

Finding the Fourth Proportional to 1,120,975,373.80, 1,681,623,764.70 and 344,686,234.60

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Solution

The fourth proportional to 1,120,975,373.80, 1,681,623,764.70 and 344,686,234.60 is: 517,078,766.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,975,373.80 : 1,681,623,764.70 = 344,686,234.60 : x
  2. Step 2: Convert to fraction form
    1,120,975,373.80/1,681,623,764.70 = 344,686,234.60/x
  3. Step 3: Cross multiply
    1,120,975,373.80x = 1,681,623,764.70 × 344,686,234.60
  4. Step 4: Simplify right side
    1,120,975,373.80x = 579,632,563,468,319,488
  5. Step 5: Solve for x
    x = 579,632,563,468,319,488/1,120,975,373.80
  6. Step 6: Final answer
    x = 517,078,766.42

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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.