Home / 1,120,975,374.80-1,681,623,766.20-344,686,235.60

Finding the Fourth Proportional to 1,120,975,374.80, 1,681,623,766.20 and 344,686,235.60

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Solution

The fourth proportional to 1,120,975,374.80, 1,681,623,766.20 and 344,686,235.60 is: 517,078,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,975,374.80 : 1,681,623,766.20 = 344,686,235.60 : x
  2. Step 2: Convert to fraction form
    1,120,975,374.80/1,681,623,766.20 = 344,686,235.60/x
  3. Step 3: Cross multiply
    1,120,975,374.80x = 1,681,623,766.20 × 344,686,235.60
  4. Step 4: Simplify right side
    1,120,975,374.80x = 579,632,565,666,972,544
  5. Step 5: Solve for x
    x = 579,632,565,666,972,544/1,120,975,374.80
  6. Step 6: Final answer
    x = 517,078,767.92

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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.