Home / 1,084,995,706.42-1,627,493,559.63-319,090,810.42

Finding the Fourth Proportional to 1,084,995,706.42, 1,627,493,559.63 and 319,090,810.42

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Solution

The fourth proportional to 1,084,995,706.42, 1,627,493,559.63 and 319,090,810.42 is: 478,636,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,995,706.42 : 1,627,493,559.63 = 319,090,810.42 : x
  2. Step 2: Convert to fraction form
    1,084,995,706.42/1,627,493,559.63 = 319,090,810.42/x
  3. Step 3: Cross multiply
    1,084,995,706.42x = 1,627,493,559.63 × 319,090,810.42
  4. Step 4: Simplify right side
    1,084,995,706.42x = 519,318,238,895,667,328
  5. Step 5: Solve for x
    x = 519,318,238,895,667,328/1,084,995,706.42
  6. Step 6: Final answer
    x = 478,636,215.63

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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.