Home / 1,780,888,926.90-2,671,743,787.08-616,357,431.66

Finding the Fourth Proportional to 1,780,888,926.90, 2,671,743,787.08 and 616,357,431.66

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Solution

The fourth proportional to 1,780,888,926.90, 2,671,743,787.08 and 616,357,431.66 is: 924,678,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,888,926.90 : 2,671,743,787.08 = 616,357,431.66 : x
  2. Step 2: Convert to fraction form
    1,780,888,926.90/2,671,743,787.08 = 616,357,431.66/x
  3. Step 3: Cross multiply
    1,780,888,926.90x = 2,671,743,787.08 × 616,357,431.66
  4. Step 4: Simplify right side
    1,780,888,926.90x = 1,646,749,138,658,190,592
  5. Step 5: Solve for x
    x = 1,646,749,138,658,190,592/1,780,888,926.90
  6. Step 6: Final answer
    x = 924,678,183.90

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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.