Home / 1,311,753,902.25-1,967,630,853.53-438,355,270.59

Finding the Fourth Proportional to 1,311,753,902.25, 1,967,630,853.53 and 438,355,270.59

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Solution

The fourth proportional to 1,311,753,902.25, 1,967,630,853.53 and 438,355,270.59 is: 657,532,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,753,902.25 : 1,967,630,853.53 = 438,355,270.59 : x
  2. Step 2: Convert to fraction form
    1,311,753,902.25/1,967,630,853.53 = 438,355,270.59/x
  3. Step 3: Cross multiply
    1,311,753,902.25x = 1,967,630,853.53 × 438,355,270.59
  4. Step 4: Simplify right side
    1,311,753,902.25x = 862,521,355,218,184,064
  5. Step 5: Solve for x
    x = 862,521,355,218,184,064/1,311,753,902.25
  6. Step 6: Final answer
    x = 657,532,905.94

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1.5x scale

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.