Home / 1,385,873,336.50-2,078,905,653.20-403,308,014.83

Finding the Fourth Proportional to 1,385,873,336.50, 2,078,905,653.20 and 403,308,014.83

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Solution

The fourth proportional to 1,385,873,336.50, 2,078,905,653.20 and 403,308,014.83 is: 604,989,857.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,873,336.50 : 2,078,905,653.20 = 403,308,014.83 : x
  2. Step 2: Convert to fraction form
    1,385,873,336.50/2,078,905,653.20 = 403,308,014.83/x
  3. Step 3: Cross multiply
    1,385,873,336.50x = 2,078,905,653.20 × 403,308,014.83
  4. Step 4: Simplify right side
    1,385,873,336.50x = 838,439,312,010,956,416
  5. Step 5: Solve for x
    x = 838,439,312,010,956,416/1,385,873,336.50
  6. Step 6: Final answer
    x = 604,989,857.25

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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.