Home / 1,137,681,090.56-1,706,521,639.94-319,793,391.56

Finding the Fourth Proportional to 1,137,681,090.56, 1,706,521,639.94 and 319,793,391.56

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Solution

The fourth proportional to 1,137,681,090.56, 1,706,521,639.94 and 319,793,391.56 is: 479,690,088.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,681,090.56 : 1,706,521,639.94 = 319,793,391.56 : x
  2. Step 2: Convert to fraction form
    1,137,681,090.56/1,706,521,639.94 = 319,793,391.56/x
  3. Step 3: Cross multiply
    1,137,681,090.56x = 1,706,521,639.94 × 319,793,391.56
  4. Step 4: Simplify right side
    1,137,681,090.56x = 545,734,343,012,587,136
  5. Step 5: Solve for x
    x = 545,734,343,012,587,136/1,137,681,090.56
  6. Step 6: Final answer
    x = 479,690,088.50

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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.