Home / 1,385,873,337.50-2,078,905,654.70-403,308,015.84

Finding the Fourth Proportional to 1,385,873,337.50, 2,078,905,654.70 and 403,308,015.84

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Solution

The fourth proportional to 1,385,873,337.50, 2,078,905,654.70 and 403,308,015.84 is: 604,989,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,873,337.50 : 2,078,905,654.70 = 403,308,015.84 : x
  2. Step 2: Convert to fraction form
    1,385,873,337.50/2,078,905,654.70 = 403,308,015.84/x
  3. Step 3: Cross multiply
    1,385,873,337.50x = 2,078,905,654.70 × 403,308,015.84
  4. Step 4: Simplify right side
    1,385,873,337.50x = 838,439,314,715,613,184
  5. Step 5: Solve for x
    x = 838,439,314,715,613,184/1,385,873,337.50
  6. Step 6: Final answer
    x = 604,989,858.76

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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.